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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
5cb5a6ff | 26 | |
87f0e418 | 27 | #include "unit.h" |
5cb5a6ff LP |
28 | #include "service.h" |
29 | #include "load-fragment.h" | |
30 | #include "load-dropin.h" | |
034c6ed7 | 31 | #include "log.h" |
2c4104f0 | 32 | #include "strv.h" |
9e2f7c11 | 33 | #include "unit-name.h" |
4139c1b2 | 34 | #include "dbus-service.h" |
514f4ef5 | 35 | #include "special.h" |
398ef8ba | 36 | #include "bus-errors.h" |
2c4104f0 LP |
37 | |
38 | #define COMMENTS "#;\n" | |
39 | #define NEWLINES "\n\r" | |
034c6ed7 | 40 | |
07459bb6 | 41 | #ifdef HAVE_SYSV_COMPAT |
f34277d9 LP |
42 | |
43 | #define DEFAULT_SYSV_TIMEOUT_USEC (3*USEC_PER_MINUTE) | |
44 | ||
09cd1ab1 LP |
45 | typedef enum RunlevelType { |
46 | RUNLEVEL_UP, | |
47 | RUNLEVEL_DOWN, | |
fc5df99e | 48 | RUNLEVEL_SYSINIT |
09cd1ab1 LP |
49 | } RunlevelType; |
50 | ||
51 | static const struct { | |
52 | const char *path; | |
53 | const char *target; | |
54 | const RunlevelType type; | |
55 | } rcnd_table[] = { | |
9d25f5ed | 56 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 57 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
58 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
59 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
60 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
61 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 62 | |
d4054675 | 63 | #ifdef TARGET_SUSE |
cfe243e3 | 64 | /* SUSE style boot.d */ |
fc5df99e | 65 | { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 66 | #endif |
fbe9f3a9 | 67 | |
f5c88ec1 | 68 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_FRUGALWARE) |
fbe9f3a9 | 69 | /* Debian style rcS.d */ |
fc5df99e | 70 | { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 71 | #endif |
9d25f5ed LP |
72 | |
73 | /* Standard SysV runlevels for shutdown */ | |
74 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
75 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
76 | ||
77 | /* Note that the order here matters, as we read the | |
78 | directories in this order, and we want to make sure that | |
79 | sysv_start_priority is known when we first load the | |
80 | unit. And that value we only know from S links. Hence | |
81 | UP/SYSINIT must be read before DOWN */ | |
23a177ef LP |
82 | }; |
83 | ||
09cd1ab1 | 84 | #define RUNLEVELS_UP "12345" |
fbe9f3a9 LP |
85 | /* #define RUNLEVELS_DOWN "06" */ |
86 | /* #define RUNLEVELS_BOOT "bBsS" */ | |
07459bb6 | 87 | #endif |
09cd1ab1 | 88 | |
acbb0225 | 89 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
90 | [SERVICE_DEAD] = UNIT_INACTIVE, |
91 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
92 | [SERVICE_START] = UNIT_ACTIVATING, | |
93 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
94 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 95 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 96 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
97 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
98 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
99 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
100 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
101 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
102 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 103 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 104 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 105 | }; |
5cb5a6ff | 106 | |
a16e1123 LP |
107 | static void service_init(Unit *u) { |
108 | Service *s = SERVICE(u); | |
109 | ||
110 | assert(u); | |
111 | assert(u->meta.load_state == UNIT_STUB); | |
112 | ||
113 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
114 | s->restart_usec = DEFAULT_RESTART_USEC; | |
115 | s->timer_watch.type = WATCH_INVALID; | |
07459bb6 | 116 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 117 | s->sysv_start_priority = -1; |
07459bb6 | 118 | #endif |
a16e1123 LP |
119 | s->socket_fd = -1; |
120 | ||
121 | exec_context_init(&s->exec_context); | |
122 | ||
123 | RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); | |
124 | ||
125 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
126 | } | |
127 | ||
5e94833f LP |
128 | static void service_unwatch_control_pid(Service *s) { |
129 | assert(s); | |
130 | ||
131 | if (s->control_pid <= 0) | |
132 | return; | |
133 | ||
134 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
135 | s->control_pid = 0; | |
136 | } | |
137 | ||
138 | static void service_unwatch_main_pid(Service *s) { | |
139 | assert(s); | |
140 | ||
141 | if (s->main_pid <= 0) | |
142 | return; | |
143 | ||
144 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
145 | s->main_pid = 0; | |
146 | } | |
147 | ||
5925dd3c | 148 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
149 | pid_t ppid; |
150 | ||
5925dd3c LP |
151 | assert(s); |
152 | ||
153 | if (pid <= 1) | |
154 | return -EINVAL; | |
155 | ||
156 | if (pid == getpid()) | |
157 | return -EINVAL; | |
158 | ||
e55224ca LP |
159 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) |
160 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", | |
161 | s->meta.id, (unsigned long) pid); | |
162 | ||
5925dd3c LP |
163 | s->main_pid = pid; |
164 | s->main_pid_known = true; | |
165 | ||
b58b4116 LP |
166 | exec_status_start(&s->main_exec_status, pid); |
167 | ||
5925dd3c LP |
168 | return 0; |
169 | } | |
170 | ||
4f2d528d LP |
171 | static void service_close_socket_fd(Service *s) { |
172 | assert(s); | |
173 | ||
174 | if (s->socket_fd < 0) | |
175 | return; | |
176 | ||
177 | close_nointr_nofail(s->socket_fd); | |
178 | s->socket_fd = -1; | |
179 | } | |
180 | ||
6cf6bbc2 LP |
181 | static void service_connection_unref(Service *s) { |
182 | assert(s); | |
183 | ||
f976f3f6 | 184 | if (!s->accept_socket) |
6cf6bbc2 LP |
185 | return; |
186 | ||
f976f3f6 LP |
187 | socket_connection_unref(s->accept_socket); |
188 | s->accept_socket = NULL; | |
6cf6bbc2 LP |
189 | } |
190 | ||
87f0e418 LP |
191 | static void service_done(Unit *u) { |
192 | Service *s = SERVICE(u); | |
44d8db9e LP |
193 | |
194 | assert(s); | |
195 | ||
196 | free(s->pid_file); | |
197 | s->pid_file = NULL; | |
198 | ||
07459bb6 | 199 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
200 | free(s->sysv_path); |
201 | s->sysv_path = NULL; | |
202 | ||
8309400a LP |
203 | free(s->sysv_runlevels); |
204 | s->sysv_runlevels = NULL; | |
07459bb6 | 205 | #endif |
8309400a | 206 | |
8c47c732 LP |
207 | free(s->status_text); |
208 | s->status_text = NULL; | |
209 | ||
44d8db9e | 210 | exec_context_done(&s->exec_context); |
e537352b | 211 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e LP |
212 | s->control_command = NULL; |
213 | ||
214 | /* This will leak a process, but at least no memory or any of | |
215 | * our resources */ | |
5e94833f LP |
216 | service_unwatch_main_pid(s); |
217 | service_unwatch_control_pid(s); | |
44d8db9e | 218 | |
05e343b7 LP |
219 | if (s->bus_name) { |
220 | unit_unwatch_bus_name(UNIT(u), s->bus_name); | |
221 | free(s->bus_name); | |
222 | s->bus_name = NULL; | |
223 | } | |
224 | ||
4f2d528d | 225 | service_close_socket_fd(s); |
6cf6bbc2 | 226 | service_connection_unref(s); |
4f2d528d | 227 | |
f976f3f6 LP |
228 | set_free(s->configured_sockets); |
229 | ||
acbb0225 | 230 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
231 | } |
232 | ||
07459bb6 | 233 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
234 | static char *sysv_translate_name(const char *name) { |
235 | char *r; | |
236 | ||
237 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
238 | return NULL; | |
239 | ||
240 | if (startswith(name, "boot.")) | |
241 | /* Drop SuSE-style boot. prefix */ | |
242 | strcpy(stpcpy(r, name + 5), ".service"); | |
243 | else if (endswith(name, ".sh")) | |
244 | /* Drop Debian-style .sh suffix */ | |
245 | strcpy(stpcpy(r, name) - 3, ".service"); | |
980900c1 | 246 | #ifdef TARGET_ARCH |
9f151f29 LP |
247 | else if (startswith(name, "@")) |
248 | /* Drop Arch-style background prefix */ | |
249 | strcpy(stpcpy(r, name + 1), ".service"); | |
65530632 MV |
250 | #endif |
251 | #ifdef TARGET_FRUGALWARE | |
252 | else if (startswith(name, "rc.")) | |
253 | /* Drop Frugalware-style rc. prefix */ | |
254 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 255 | #endif |
b7ccee3c LP |
256 | else |
257 | /* Normal init scripts */ | |
258 | strcpy(stpcpy(r, name), ".service"); | |
259 | ||
260 | return r; | |
261 | } | |
262 | ||
ee95669f | 263 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 264 | |
a7d3cc26 LP |
265 | /* We silently ignore the $ prefix here. According to the LSB |
266 | * spec it simply indicates whether something is a | |
267 | * standardized name or a distribution-specific one. Since we | |
268 | * just follow what already exists and do not introduce new | |
269 | * uses or names we don't care who introduced a new name. */ | |
270 | ||
2c4104f0 | 271 | static const char * const table[] = { |
6464aa08 | 272 | /* LSB defined facilities */ |
a7d3cc26 LP |
273 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
274 | "network", SPECIAL_NETWORK_TARGET, | |
275 | "named", SPECIAL_NSS_LOOKUP_TARGET, | |
276 | "portmap", SPECIAL_RPCBIND_TARGET, | |
277 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
278 | "syslog", SPECIAL_SYSLOG_TARGET, | |
279 | "time", SPECIAL_RTC_SET_TARGET, | |
6464aa08 | 280 | |
0b603b4e KS |
281 | /* common extensions */ |
282 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
283 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
284 | "null", NULL, | |
285 | ||
858dae18 | 286 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
a7d3cc26 | 287 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 288 | #endif |
3177a49c LP |
289 | |
290 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
291 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
292 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
293 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 294 | #endif |
a7d3cc26 | 295 | |
0b603b4e KS |
296 | #ifdef TARGET_SUSE |
297 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
298 | #endif | |
2c4104f0 LP |
299 | }; |
300 | ||
301 | unsigned i; | |
302 | char *r; | |
ee95669f | 303 | const char *n; |
2c4104f0 | 304 | |
ee95669f LP |
305 | assert(name); |
306 | assert(_r); | |
a7d3cc26 | 307 | |
ee95669f | 308 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 309 | |
ee95669f | 310 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 311 | |
ee95669f LP |
312 | if (!streq(table[i], n)) |
313 | continue; | |
2c4104f0 | 314 | |
ee95669f LP |
315 | if (!table[i+1]) |
316 | return 0; | |
317 | ||
318 | if (!(r = strdup(table[i+1]))) | |
319 | return -ENOMEM; | |
320 | ||
321 | goto finish; | |
322 | } | |
2c4104f0 | 323 | |
a7d3cc26 | 324 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 325 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 326 | |
2c4104f0 | 327 | if (*name == '$') |
ee95669f LP |
328 | /* Facilities starting with $ are most likely targets */ |
329 | r = unit_name_build(n, NULL, ".target"); | |
330 | else if (filename && streq(name, filename)) | |
331 | /* Names equalling the file name of the services are redundant */ | |
332 | return 0; | |
32159d3a | 333 | else |
ee95669f LP |
334 | /* Everything else we assume to be normal service names */ |
335 | r = sysv_translate_name(n); | |
2c4104f0 | 336 | |
32159d3a | 337 | if (!r) |
2c4104f0 LP |
338 | return -ENOMEM; |
339 | ||
340 | finish: | |
341 | ||
342 | if (_r) | |
343 | *_r = r; | |
344 | ||
345 | return 1; | |
346 | } | |
347 | ||
56d748b4 | 348 | static int sysv_fix_order(Service *s) { |
2c4104f0 LP |
349 | Meta *other; |
350 | int r; | |
351 | ||
352 | assert(s); | |
353 | ||
354 | if (s->sysv_start_priority < 0) | |
355 | return 0; | |
356 | ||
23a177ef LP |
357 | /* For each pair of services where at least one lacks a LSB |
358 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 359 | |
4cd1fbcc | 360 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { |
2c4104f0 LP |
361 | Service *t; |
362 | UnitDependency d; | |
eeaafddc | 363 | bool special_s, special_t; |
2c4104f0 LP |
364 | |
365 | t = (Service*) other; | |
366 | ||
367 | if (s == t) | |
368 | continue; | |
9f151f29 LP |
369 | |
370 | if (t->meta.load_state != UNIT_LOADED) | |
371 | continue; | |
2c4104f0 LP |
372 | |
373 | if (t->sysv_start_priority < 0) | |
374 | continue; | |
375 | ||
51a1a79d LP |
376 | /* If both units have modern headers we don't care |
377 | * about the priorities */ | |
f21781d5 LP |
378 | if ((s->meta.fragment_path || s->sysv_has_lsb) && |
379 | (t->meta.fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
380 | continue; |
381 | ||
eeaafddc LP |
382 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
383 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
384 | ||
385 | if (special_t && !special_s) | |
386 | d = UNIT_AFTER; | |
387 | else if (special_s && !special_t) | |
388 | d = UNIT_BEFORE; | |
389 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
390 | d = UNIT_AFTER; |
391 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
392 | d = UNIT_BEFORE; | |
393 | else | |
394 | continue; | |
395 | ||
396 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
397 | ||
701cc384 | 398 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
399 | return r; |
400 | } | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
406 | ExecCommand *c; | |
407 | ||
408 | if (!(c = new0(ExecCommand, 1))) | |
409 | return NULL; | |
410 | ||
411 | if (!(c->path = strdup(path))) { | |
412 | free(c); | |
413 | return NULL; | |
414 | } | |
415 | ||
416 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
417 | free(c->path); | |
418 | free(c); | |
419 | return NULL; | |
420 | } | |
421 | ||
422 | return c; | |
423 | } | |
424 | ||
425 | static int sysv_exec_commands(Service *s) { | |
426 | ExecCommand *c; | |
427 | ||
428 | assert(s); | |
429 | assert(s->sysv_path); | |
430 | ||
431 | if (!(c = exec_command_new(s->sysv_path, "start"))) | |
432 | return -ENOMEM; | |
433 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
434 | ||
435 | if (!(c = exec_command_new(s->sysv_path, "stop"))) | |
436 | return -ENOMEM; | |
437 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
438 | ||
439 | if (!(c = exec_command_new(s->sysv_path, "reload"))) | |
440 | return -ENOMEM; | |
441 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
e537352b | 446 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
447 | FILE *f; |
448 | Unit *u; | |
449 | unsigned line = 0; | |
450 | int r; | |
451 | enum { | |
452 | NORMAL, | |
453 | DESCRIPTION, | |
454 | LSB, | |
455 | LSB_DESCRIPTION | |
456 | } state = NORMAL; | |
0b5d26f9 | 457 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
23a177ef LP |
458 | |
459 | assert(s); | |
460 | assert(path); | |
2c4104f0 LP |
461 | |
462 | u = UNIT(s); | |
463 | ||
464 | if (!(f = fopen(path, "re"))) { | |
465 | r = errno == ENOENT ? 0 : -errno; | |
466 | goto finish; | |
467 | } | |
468 | ||
2c4104f0 LP |
469 | free(s->sysv_path); |
470 | if (!(s->sysv_path = strdup(path))) { | |
471 | r = -ENOMEM; | |
472 | goto finish; | |
473 | } | |
474 | ||
475 | while (!feof(f)) { | |
476 | char l[LINE_MAX], *t; | |
477 | ||
478 | if (!fgets(l, sizeof(l), f)) { | |
479 | if (feof(f)) | |
480 | break; | |
481 | ||
482 | r = -errno; | |
483 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
484 | goto finish; | |
485 | } | |
486 | ||
487 | line++; | |
488 | ||
489 | t = strstrip(l); | |
490 | if (*t != '#') | |
491 | continue; | |
492 | ||
493 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
494 | state = LSB; | |
23a177ef | 495 | s->sysv_has_lsb = true; |
2c4104f0 LP |
496 | continue; |
497 | } | |
498 | ||
499 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
500 | state = NORMAL; | |
501 | continue; | |
502 | } | |
503 | ||
504 | t++; | |
505 | t += strspn(t, WHITESPACE); | |
506 | ||
507 | if (state == NORMAL) { | |
508 | ||
509 | /* Try to parse Red Hat style chkconfig headers */ | |
510 | ||
c2b35af6 | 511 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 512 | int start_priority; |
8309400a | 513 | char runlevels[16], *k; |
2c4104f0 LP |
514 | |
515 | state = NORMAL; | |
516 | ||
8309400a LP |
517 | if (sscanf(t+10, "%15s %i %*i", |
518 | runlevels, | |
519 | &start_priority) != 2) { | |
2c4104f0 LP |
520 | |
521 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
522 | continue; | |
523 | } | |
524 | ||
fbe9f3a9 LP |
525 | /* A start priority gathered from the |
526 | * symlink farms is preferred over the | |
527 | * data from the LSB header. */ | |
8309400a | 528 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 529 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
db06e3b6 | 530 | else if (s->sysv_start_priority < 0) |
8309400a LP |
531 | s->sysv_start_priority = start_priority; |
532 | ||
533 | char_array_0(runlevels); | |
534 | k = delete_chars(runlevels, WHITESPACE "-"); | |
535 | ||
536 | if (k[0]) { | |
537 | char *d; | |
538 | ||
539 | if (!(d = strdup(k))) { | |
540 | r = -ENOMEM; | |
541 | goto finish; | |
542 | } | |
543 | ||
544 | free(s->sysv_runlevels); | |
545 | s->sysv_runlevels = d; | |
2c4104f0 LP |
546 | } |
547 | ||
0b5d26f9 | 548 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
549 | |
550 | size_t k = strlen(t); | |
551 | char *d; | |
0b5d26f9 | 552 | const char *j; |
2c4104f0 LP |
553 | |
554 | if (t[k-1] == '\\') { | |
555 | state = DESCRIPTION; | |
556 | t[k-1] = 0; | |
557 | } | |
558 | ||
0b5d26f9 LP |
559 | if ((j = strstrip(t+12)) && *j) { |
560 | if (!(d = strdup(j))) { | |
561 | r = -ENOMEM; | |
562 | goto finish; | |
563 | } | |
564 | } else | |
565 | d = NULL; | |
2c4104f0 | 566 | |
0b5d26f9 LP |
567 | free(chkconfig_description); |
568 | chkconfig_description = d; | |
2c4104f0 | 569 | |
c2b35af6 | 570 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
571 | |
572 | char *fn; | |
573 | ||
574 | state = NORMAL; | |
575 | ||
576 | fn = strstrip(t+8); | |
577 | if (!path_is_absolute(fn)) { | |
578 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
579 | continue; | |
580 | } | |
581 | ||
582 | if (!(fn = strdup(fn))) { | |
583 | r = -ENOMEM; | |
584 | goto finish; | |
585 | } | |
586 | ||
587 | free(s->pid_file); | |
588 | s->pid_file = fn; | |
589 | } | |
590 | ||
591 | } else if (state == DESCRIPTION) { | |
592 | ||
593 | /* Try to parse Red Hat style description | |
594 | * continuation */ | |
595 | ||
596 | size_t k = strlen(t); | |
0b5d26f9 | 597 | char *j; |
2c4104f0 LP |
598 | |
599 | if (t[k-1] == '\\') | |
600 | t[k-1] = 0; | |
601 | else | |
602 | state = NORMAL; | |
603 | ||
0b5d26f9 LP |
604 | if ((j = strstrip(t)) && *j) { |
605 | char *d = NULL; | |
606 | ||
607 | if (chkconfig_description) | |
608 | asprintf(&d, "%s %s", chkconfig_description, j); | |
609 | else | |
610 | d = strdup(j); | |
2c4104f0 | 611 | |
0b5d26f9 LP |
612 | if (!d) { |
613 | r = -ENOMEM; | |
614 | goto finish; | |
615 | } | |
616 | ||
617 | free(chkconfig_description); | |
618 | chkconfig_description = d; | |
619 | } | |
2c4104f0 LP |
620 | |
621 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
622 | ||
c2b35af6 | 623 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
624 | char *i, *w; |
625 | size_t z; | |
626 | ||
627 | state = LSB; | |
628 | ||
f60f22df | 629 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
630 | char *n, *m; |
631 | ||
632 | if (!(n = strndup(w, z))) { | |
633 | r = -ENOMEM; | |
634 | goto finish; | |
635 | } | |
636 | ||
ee95669f | 637 | r = sysv_translate_facility(n, file_name_from_path(path), &m); |
2c4104f0 LP |
638 | free(n); |
639 | ||
640 | if (r < 0) | |
641 | goto finish; | |
642 | ||
643 | if (r == 0) | |
644 | continue; | |
645 | ||
bd77d0fc LP |
646 | if (unit_name_to_type(m) == UNIT_SERVICE) |
647 | r = unit_add_name(u, m); | |
c68364b7 LP |
648 | else { |
649 | r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true); | |
650 | ||
651 | if (s->sysv_enabled) { | |
652 | int k; | |
653 | ||
654 | if ((k = unit_add_dependency_by_name_inverse(u, UNIT_WANTS, m, NULL, true)) < 0) | |
655 | r = k; | |
656 | } | |
657 | } | |
bd77d0fc | 658 | |
2c4104f0 | 659 | if (r < 0) |
43a37549 | 660 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
661 | |
662 | free(m); | |
2c4104f0 LP |
663 | } |
664 | ||
c2b35af6 LP |
665 | } else if (startswith_no_case(t, "Required-Start:") || |
666 | startswith_no_case(t, "Should-Start:") || | |
667 | startswith_no_case(t, "X-Start-Before:") || | |
668 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
669 | char *i, *w; |
670 | size_t z; | |
671 | ||
672 | state = LSB; | |
673 | ||
f60f22df | 674 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
675 | char *n, *m; |
676 | ||
677 | if (!(n = strndup(w, z))) { | |
678 | r = -ENOMEM; | |
679 | goto finish; | |
680 | } | |
681 | ||
ee95669f | 682 | r = sysv_translate_facility(n, file_name_from_path(path), &m); |
2c4104f0 LP |
683 | free(n); |
684 | ||
685 | if (r < 0) | |
686 | goto finish; | |
687 | ||
688 | if (r == 0) | |
689 | continue; | |
690 | ||
c2b35af6 | 691 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
692 | |
693 | if (r < 0) | |
43a37549 | 694 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
695 | |
696 | free(m); | |
2c4104f0 | 697 | } |
c2b35af6 | 698 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
699 | char *k, *d; |
700 | ||
701 | state = LSB; | |
702 | ||
703 | k = delete_chars(t+14, WHITESPACE "-"); | |
704 | ||
705 | if (k[0] != 0) { | |
706 | if (!(d = strdup(k))) { | |
707 | r = -ENOMEM; | |
708 | goto finish; | |
709 | } | |
710 | ||
711 | free(s->sysv_runlevels); | |
712 | s->sysv_runlevels = d; | |
713 | } | |
2c4104f0 | 714 | |
0b5d26f9 LP |
715 | } else if (startswith_no_case(t, "Description:")) { |
716 | char *d, *j; | |
ed4c1cc6 | 717 | |
2c4104f0 LP |
718 | state = LSB_DESCRIPTION; |
719 | ||
0b5d26f9 LP |
720 | if ((j = strstrip(t+12)) && *j) { |
721 | if (!(d = strdup(j))) { | |
722 | r = -ENOMEM; | |
723 | goto finish; | |
724 | } | |
725 | } else | |
726 | d = NULL; | |
2c4104f0 | 727 | |
0b5d26f9 LP |
728 | free(long_description); |
729 | long_description = d; | |
2c4104f0 | 730 | |
ed4c1cc6 | 731 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 732 | char *d, *j; |
2c4104f0 | 733 | |
2c4104f0 LP |
734 | state = LSB; |
735 | ||
0b5d26f9 LP |
736 | if ((j = strstrip(t+18)) && *j) { |
737 | if (!(d = strdup(j))) { | |
738 | r = -ENOMEM; | |
739 | goto finish; | |
740 | } | |
741 | } else | |
742 | d = NULL; | |
2c4104f0 | 743 | |
0b5d26f9 LP |
744 | free(short_description); |
745 | short_description = d; | |
2c4104f0 | 746 | |
723c83fd LP |
747 | } else if (startswith_no_case(t, "X-Interactive:")) { |
748 | int b; | |
749 | ||
750 | if ((b = parse_boolean(strstrip(t+14))) < 0) { | |
751 | log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line); | |
752 | continue; | |
753 | } | |
754 | ||
755 | if (b) | |
756 | s->exec_context.std_input = EXEC_INPUT_TTY; | |
757 | else | |
758 | s->exec_context.std_input = EXEC_INPUT_NULL; | |
759 | ||
2c4104f0 LP |
760 | } else if (state == LSB_DESCRIPTION) { |
761 | ||
762 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 763 | char *j; |
2c4104f0 | 764 | |
0b5d26f9 LP |
765 | if ((j = strstrip(t)) && *j) { |
766 | char *d = NULL; | |
767 | ||
768 | if (long_description) | |
769 | asprintf(&d, "%s %s", long_description, t); | |
770 | else | |
771 | d = strdup(j); | |
772 | ||
773 | if (!d) { | |
774 | r = -ENOMEM; | |
775 | goto finish; | |
776 | } | |
777 | ||
778 | free(long_description); | |
779 | long_description = d; | |
2c4104f0 LP |
780 | } |
781 | ||
2c4104f0 LP |
782 | } else |
783 | state = LSB; | |
784 | } | |
785 | } | |
786 | } | |
787 | ||
2c4104f0 LP |
788 | if ((r = sysv_exec_commands(s)) < 0) |
789 | goto finish; | |
790 | ||
a40eb732 | 791 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
792 | /* If there a runlevels configured for this service |
793 | * but none of the standard ones, then we assume this | |
794 | * is some special kind of service (which might be | |
795 | * needed for early boot) and don't create any links | |
796 | * to it. */ | |
797 | ||
a40eb732 | 798 | s->meta.default_dependencies = false; |
09cd1ab1 | 799 | |
09cd1ab1 LP |
800 | /* Don't timeout special services during boot (like fsck) */ |
801 | s->timeout_usec = 0; | |
f34277d9 LP |
802 | } else |
803 | s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
0fd030be | 804 | |
80876c20 | 805 | /* Special setting for all SysV services */ |
1f48cf56 | 806 | s->type = SERVICE_FORKING; |
02ee865a | 807 | s->remain_after_exit = true; |
525ee6f4 | 808 | s->restart = SERVICE_RESTART_NO; |
8a2b3c09 LP |
809 | s->exec_context.std_output = |
810 | (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY) | |
811 | ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL; | |
2e22afe9 | 812 | s->exec_context.kill_mode = KILL_PROCESS_GROUP; |
80876c20 | 813 | |
0b5d26f9 LP |
814 | /* We use the long description only if |
815 | * no short description is set. */ | |
816 | ||
817 | if (short_description) | |
818 | description = short_description; | |
819 | else if (chkconfig_description) | |
820 | description = chkconfig_description; | |
821 | else if (long_description) | |
822 | description = long_description; | |
823 | else | |
824 | description = NULL; | |
825 | ||
826 | if (description) { | |
827 | char *d; | |
828 | ||
829 | if (!(d = strappend("LSB: ", description))) { | |
830 | r = -ENOMEM; | |
831 | goto finish; | |
832 | } | |
833 | ||
834 | u->meta.description = d; | |
835 | } | |
836 | ||
e537352b | 837 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 838 | r = 0; |
2c4104f0 LP |
839 | |
840 | finish: | |
841 | ||
842 | if (f) | |
843 | fclose(f); | |
844 | ||
0b5d26f9 LP |
845 | free(short_description); |
846 | free(long_description); | |
847 | free(chkconfig_description); | |
848 | ||
2c4104f0 LP |
849 | return r; |
850 | } | |
851 | ||
e537352b | 852 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
853 | char **p; |
854 | ||
855 | assert(s); | |
856 | assert(name); | |
857 | ||
e1992852 | 858 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca LP |
859 | * prefixes/suffixes. */ |
860 | if (startswith(name, "boot.") || | |
e1992852 | 861 | startswith(name, "rc.") || |
d017c6ca LP |
862 | endswith(name, ".sh.service")) |
863 | return -ENOENT; | |
864 | ||
4cd1fbcc | 865 | STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
866 | char *path; |
867 | int r; | |
868 | ||
869 | if (asprintf(&path, "%s/%s", *p, name) < 0) | |
870 | return -ENOMEM; | |
871 | ||
872 | assert(endswith(path, ".service")); | |
873 | path[strlen(path)-8] = 0; | |
874 | ||
e537352b | 875 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 876 | |
e1992852 | 877 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
4cd1fbcc | 878 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 879 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
880 | strcat(path, ".sh"); |
881 | r = service_load_sysv_path(s, path); | |
882 | } | |
e1992852 | 883 | #endif |
2c4104f0 LP |
884 | free(path); |
885 | ||
e1992852 | 886 | #ifdef TARGET_SUSE |
4cd1fbcc | 887 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 888 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 LP |
889 | |
890 | if (asprintf(&path, "%s/boot.%s", *p, name) < 0) | |
891 | return -ENOMEM; | |
892 | ||
e1992852 | 893 | /* Drop .service suffix */ |
fbe9f3a9 LP |
894 | path[strlen(path)-8] = 0; |
895 | r = service_load_sysv_path(s, path); | |
896 | free(path); | |
897 | } | |
e1992852 | 898 | #endif |
fbe9f3a9 | 899 | |
e1992852 | 900 | #ifdef TARGET_FRUGALWARE |
65530632 | 901 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 902 | /* Try Frugalware style rc.* init scripts */ |
65530632 MV |
903 | |
904 | if (asprintf(&path, "%s/rc.%s", *p, name) < 0) | |
905 | return -ENOMEM; | |
906 | ||
e1992852 | 907 | /* Drop .service suffix */ |
65530632 MV |
908 | path[strlen(path)-8] = 0; |
909 | r = service_load_sysv_path(s, path); | |
910 | free(path); | |
911 | } | |
e1992852 | 912 | #endif |
65530632 | 913 | |
23a177ef | 914 | if (r < 0) |
2c4104f0 | 915 | return r; |
23a177ef | 916 | |
4cd1fbcc | 917 | if ((s->meta.load_state != UNIT_STUB)) |
23a177ef | 918 | break; |
2c4104f0 LP |
919 | } |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
e537352b | 924 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
925 | const char *t; |
926 | Iterator i; | |
927 | int r; | |
928 | ||
5cb5a6ff LP |
929 | assert(s); |
930 | ||
931 | /* Load service data from SysV init scripts, preferably with | |
932 | * LSB headers ... */ | |
933 | ||
4cd1fbcc | 934 | if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
935 | return 0; |
936 | ||
4cd1fbcc | 937 | if ((t = s->meta.id)) |
e537352b | 938 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
939 | return r; |
940 | ||
4cd1fbcc LP |
941 | if (s->meta.load_state == UNIT_STUB) |
942 | SET_FOREACH(t, s->meta.names, i) { | |
943 | if (t == s->meta.id) | |
e537352b LP |
944 | continue; |
945 | ||
e364ad06 | 946 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
947 | return r; |
948 | ||
4cd1fbcc | 949 | if (s->meta.load_state != UNIT_STUB) |
23a177ef LP |
950 | break; |
951 | } | |
2c4104f0 LP |
952 | |
953 | return 0; | |
5cb5a6ff | 954 | } |
07459bb6 | 955 | #endif |
5cb5a6ff | 956 | |
9fff8a1f LP |
957 | static int fsck_fix_order(Service *s) { |
958 | Meta *other; | |
959 | int r; | |
960 | ||
961 | assert(s); | |
962 | ||
963 | if (s->fsck_passno <= 0) | |
964 | return 0; | |
965 | ||
966 | /* For each pair of services where both have an fsck priority | |
967 | * we order things based on it. */ | |
968 | ||
969 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { | |
970 | Service *t; | |
971 | UnitDependency d; | |
972 | ||
973 | t = (Service*) other; | |
974 | ||
975 | if (s == t) | |
976 | continue; | |
977 | ||
978 | if (t->meta.load_state != UNIT_LOADED) | |
979 | continue; | |
980 | ||
981 | if (t->fsck_passno <= 0) | |
982 | continue; | |
983 | ||
984 | if (t->fsck_passno < s->fsck_passno) | |
985 | d = UNIT_AFTER; | |
986 | else if (t->fsck_passno > s->fsck_passno) | |
987 | d = UNIT_BEFORE; | |
988 | else | |
989 | continue; | |
990 | ||
991 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) | |
992 | return r; | |
993 | } | |
994 | ||
995 | return 0; | |
996 | } | |
997 | ||
243b1432 LP |
998 | static int service_verify(Service *s) { |
999 | assert(s); | |
1000 | ||
4cd1fbcc | 1001 | if (s->meta.load_state != UNIT_LOADED) |
243b1432 LP |
1002 | return 0; |
1003 | ||
1004 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
4cd1fbcc | 1005 | log_error("%s lacks ExecStart setting. Refusing.", s->meta.id); |
243b1432 LP |
1006 | return -EINVAL; |
1007 | } | |
1008 | ||
34e9ba66 LP |
1009 | if (s->type != SERVICE_ONESHOT && |
1010 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1011 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id); | |
6cf6bbc2 LP |
1012 | return -EINVAL; |
1013 | } | |
1014 | ||
05e343b7 | 1015 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
4d0e5dbd LP |
1016 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id); |
1017 | return -EINVAL; | |
1018 | } | |
1019 | ||
2e22afe9 | 1020 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
4d0e5dbd | 1021 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id); |
05e343b7 LP |
1022 | return -EINVAL; |
1023 | } | |
1024 | ||
243b1432 LP |
1025 | return 0; |
1026 | } | |
1027 | ||
a40eb732 LP |
1028 | static int service_add_default_dependencies(Service *s) { |
1029 | int r; | |
1030 | ||
1031 | assert(s); | |
1032 | ||
1033 | /* Add a number of automatic dependencies useful for the | |
1034 | * majority of services. */ | |
1035 | ||
1036 | /* First, pull in base system */ | |
1037 | if (s->meta.manager->running_as == MANAGER_SYSTEM) { | |
1038 | ||
1039 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1040 | return r; | |
1041 | ||
af2d49f7 | 1042 | } else if (s->meta.manager->running_as == MANAGER_USER) { |
a40eb732 LP |
1043 | |
1044 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1045 | return r; | |
1046 | } | |
1047 | ||
1048 | /* Second, activate normal shutdown */ | |
ead8e478 | 1049 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1050 | } |
1051 | ||
e537352b LP |
1052 | static int service_load(Unit *u) { |
1053 | int r; | |
1054 | Service *s = SERVICE(u); | |
1055 | ||
1056 | assert(s); | |
1e2e8133 | 1057 | |
5cb5a6ff | 1058 | /* Load a .service file */ |
e537352b | 1059 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1060 | return r; |
1061 | ||
07459bb6 | 1062 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1063 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
e537352b LP |
1064 | if (u->meta.load_state == UNIT_STUB) |
1065 | if ((r = service_load_sysv(s)) < 0) | |
23a177ef | 1066 | return r; |
07459bb6 | 1067 | #endif |
d46de8a1 | 1068 | |
23a177ef | 1069 | /* Still nothing found? Then let's give up */ |
e537352b | 1070 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1071 | return -ENOENT; |
034c6ed7 | 1072 | |
23a177ef LP |
1073 | /* We were able to load something, then let's add in the |
1074 | * dropin directories. */ | |
1075 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1076 | return r; |
23a177ef LP |
1077 | |
1078 | /* This is a new unit? Then let's add in some extras */ | |
e537352b | 1079 | if (u->meta.load_state == UNIT_LOADED) { |
23a177ef LP |
1080 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1081 | return r; | |
1082 | ||
d686d8a9 | 1083 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1084 | return r; |
1085 | ||
07459bb6 | 1086 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1087 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1088 | return r; |
07459bb6 | 1089 | #endif |
05e343b7 | 1090 | |
9fff8a1f LP |
1091 | if ((r = fsck_fix_order(s)) < 0) |
1092 | return r; | |
1093 | ||
ee0dd802 | 1094 | if (s->bus_name) |
05e343b7 | 1095 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1096 | return r; |
c952c6ec LP |
1097 | |
1098 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1099 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 LP |
1100 | |
1101 | if (s->type == SERVICE_DBUS || s->bus_name) | |
1102 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0) | |
1103 | return r; | |
1104 | ||
1105 | if (s->meta.default_dependencies) | |
1106 | if ((r = service_add_default_dependencies(s)) < 0) | |
1107 | return r; | |
8e274523 LP |
1108 | } |
1109 | ||
243b1432 | 1110 | return service_verify(s); |
034c6ed7 LP |
1111 | } |
1112 | ||
87f0e418 | 1113 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1114 | |
5cb5a6ff | 1115 | ServiceExecCommand c; |
87f0e418 | 1116 | Service *s = SERVICE(u); |
47be870b LP |
1117 | const char *prefix2; |
1118 | char *p2; | |
5cb5a6ff LP |
1119 | |
1120 | assert(s); | |
1121 | ||
47be870b LP |
1122 | p2 = strappend(prefix, "\t"); |
1123 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1124 | |
5cb5a6ff | 1125 | fprintf(f, |
81a2b7ce LP |
1126 | "%sService State: %s\n" |
1127 | "%sPermissionsStartOnly: %s\n" | |
8e274523 | 1128 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1129 | "%sRemainAfterExit: %s\n" |
c952c6ec | 1130 | "%sType: %s\n" |
2cf3143a | 1131 | "%sRestart: %s\n" |
c952c6ec | 1132 | "%sNotifyAccess: %s\n", |
81a2b7ce LP |
1133 | prefix, service_state_to_string(s->state), |
1134 | prefix, yes_no(s->permissions_start_only), | |
8e274523 | 1135 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1136 | prefix, yes_no(s->remain_after_exit), |
c952c6ec | 1137 | prefix, service_type_to_string(s->type), |
2cf3143a | 1138 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1139 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1140 | |
70123e68 LP |
1141 | if (s->control_pid > 0) |
1142 | fprintf(f, | |
bb00e604 LP |
1143 | "%sControl PID: %lu\n", |
1144 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1145 | |
1146 | if (s->main_pid > 0) | |
1147 | fprintf(f, | |
bb00e604 LP |
1148 | "%sMain PID: %lu\n", |
1149 | prefix, (unsigned long) s->main_pid); | |
70123e68 | 1150 | |
034c6ed7 LP |
1151 | if (s->pid_file) |
1152 | fprintf(f, | |
1153 | "%sPIDFile: %s\n", | |
1154 | prefix, s->pid_file); | |
1155 | ||
05e343b7 LP |
1156 | if (s->bus_name) |
1157 | fprintf(f, | |
1158 | "%sBusName: %s\n" | |
1159 | "%sBus Name Good: %s\n", | |
1160 | prefix, s->bus_name, | |
1161 | prefix, yes_no(s->bus_name_good)); | |
1162 | ||
5cb5a6ff LP |
1163 | exec_context_dump(&s->exec_context, f, prefix); |
1164 | ||
e537352b | 1165 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1166 | |
44d8db9e LP |
1167 | if (!s->exec_command[c]) |
1168 | continue; | |
1169 | ||
40d50879 | 1170 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1171 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1172 | |
1173 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1174 | } |
44d8db9e | 1175 | |
07459bb6 | 1176 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
1177 | if (s->sysv_path) |
1178 | fprintf(f, | |
23a177ef | 1179 | "%sSysV Init Script Path: %s\n" |
9fff8a1f LP |
1180 | "%sSysV Init Script has LSB Header: %s\n" |
1181 | "%sSysVEnabled: %s\n", | |
23a177ef | 1182 | prefix, s->sysv_path, |
9fff8a1f LP |
1183 | prefix, yes_no(s->sysv_has_lsb), |
1184 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1185 | |
1186 | if (s->sysv_start_priority >= 0) | |
1187 | fprintf(f, | |
9fff8a1f LP |
1188 | "%sSysVStartPriority: %i\n", |
1189 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1190 | |
8309400a LP |
1191 | if (s->sysv_runlevels) |
1192 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1193 | prefix, s->sysv_runlevels); | |
07459bb6 | 1194 | #endif |
23a177ef | 1195 | |
9fff8a1f LP |
1196 | if (s->fsck_passno > 0) |
1197 | fprintf(f, | |
1198 | "%sFsckPassNo: %i\n", | |
1199 | prefix, s->fsck_passno); | |
1200 | ||
8c47c732 LP |
1201 | if (s->status_text) |
1202 | fprintf(f, "%sStatus Text: %s\n", | |
1203 | prefix, s->status_text); | |
1204 | ||
47be870b | 1205 | free(p2); |
5cb5a6ff LP |
1206 | } |
1207 | ||
034c6ed7 LP |
1208 | static int service_load_pid_file(Service *s) { |
1209 | char *k; | |
034c6ed7 | 1210 | int r; |
5925dd3c | 1211 | pid_t pid; |
034c6ed7 LP |
1212 | |
1213 | assert(s); | |
1214 | ||
1215 | if (s->main_pid_known) | |
1216 | return 0; | |
1217 | ||
5e94833f LP |
1218 | assert(s->main_pid <= 0); |
1219 | ||
034c6ed7 LP |
1220 | if (!s->pid_file) |
1221 | return -ENOENT; | |
1222 | ||
1223 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) | |
1224 | return r; | |
1225 | ||
5925dd3c LP |
1226 | r = parse_pid(k, &pid); |
1227 | free(k); | |
034c6ed7 | 1228 | |
5925dd3c LP |
1229 | if (r < 0) |
1230 | return r; | |
406eaf93 | 1231 | |
5925dd3c LP |
1232 | if (kill(pid, 0) < 0 && errno != EPERM) { |
1233 | log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.", | |
1234 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1235 | return -ESRCH; |
1236 | } | |
1237 | ||
5925dd3c | 1238 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1239 | return r; |
1240 | ||
5925dd3c LP |
1241 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1242 | /* FIXME: we need to do something here */ | |
1243 | return r; | |
034c6ed7 LP |
1244 | |
1245 | return 0; | |
1246 | } | |
1247 | ||
4fbf50b3 LP |
1248 | static int service_search_main_pid(Service *s) { |
1249 | pid_t pid; | |
1250 | int r; | |
1251 | ||
1252 | assert(s); | |
1253 | ||
1254 | if (s->main_pid_known) | |
1255 | return 0; | |
1256 | ||
1257 | assert(s->main_pid <= 0); | |
1258 | ||
1259 | if ((pid = cgroup_bonding_search_main_pid_list(s->meta.cgroup_bondings)) <= 0) | |
1260 | return -ENOENT; | |
1261 | ||
1262 | if ((r = service_set_main_pid(s, pid)) < 0) | |
1263 | return r; | |
1264 | ||
1265 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1266 | /* FIXME: we need to do something here */ | |
1267 | return r; | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
3e33402a LP |
1272 | static int service_get_sockets(Service *s, Set **_set) { |
1273 | Set *set; | |
ceee3d82 LP |
1274 | Iterator i; |
1275 | char *t; | |
3e33402a | 1276 | int r; |
ceee3d82 LP |
1277 | |
1278 | assert(s); | |
3e33402a LP |
1279 | assert(_set); |
1280 | ||
6cf6bbc2 LP |
1281 | if (s->socket_fd >= 0) |
1282 | return 0; | |
1283 | ||
f976f3f6 LP |
1284 | if (!set_isempty(s->configured_sockets)) |
1285 | return 0; | |
1286 | ||
3e33402a LP |
1287 | /* Collects all Socket objects that belong to this |
1288 | * service. Note that a service might have multiple sockets | |
1289 | * via multiple names. */ | |
1290 | ||
1291 | if (!(set = set_new(NULL, NULL))) | |
1292 | return -ENOMEM; | |
ceee3d82 | 1293 | |
4cd1fbcc | 1294 | SET_FOREACH(t, s->meta.names, i) { |
ceee3d82 LP |
1295 | char *k; |
1296 | Unit *p; | |
1297 | ||
1298 | /* Look for all socket objects that go by any of our | |
1299 | * units and collect their fds */ | |
1300 | ||
3e33402a LP |
1301 | if (!(k = unit_name_change_suffix(t, ".socket"))) { |
1302 | r = -ENOMEM; | |
1303 | goto fail; | |
1304 | } | |
ceee3d82 | 1305 | |
4cd1fbcc | 1306 | p = manager_get_unit(s->meta.manager, k); |
ceee3d82 LP |
1307 | free(k); |
1308 | ||
8d567588 LP |
1309 | if (!p) |
1310 | continue; | |
ceee3d82 | 1311 | |
3e33402a LP |
1312 | if ((r = set_put(set, p)) < 0) |
1313 | goto fail; | |
ceee3d82 LP |
1314 | } |
1315 | ||
3e33402a LP |
1316 | *_set = set; |
1317 | return 0; | |
1318 | ||
1319 | fail: | |
1320 | set_free(set); | |
1321 | return r; | |
1322 | } | |
1323 | ||
e537352b | 1324 | static int service_notify_sockets_dead(Service *s) { |
3e33402a | 1325 | Iterator i; |
f976f3f6 | 1326 | Set *set, *free_set = NULL; |
47be870b | 1327 | Socket *sock; |
3e33402a LP |
1328 | int r; |
1329 | ||
1330 | assert(s); | |
1331 | ||
f976f3f6 LP |
1332 | /* Notifies all our sockets when we die */ |
1333 | ||
6cf6bbc2 LP |
1334 | if (s->socket_fd >= 0) |
1335 | return 0; | |
1336 | ||
f976f3f6 LP |
1337 | if (!set_isempty(s->configured_sockets)) |
1338 | set = s->configured_sockets; | |
1339 | else { | |
1340 | if ((r = service_get_sockets(s, &free_set)) < 0) | |
1341 | return r; | |
1342 | ||
1343 | set = free_set; | |
1344 | } | |
3e33402a | 1345 | |
47be870b LP |
1346 | SET_FOREACH(sock, set, i) |
1347 | socket_notify_service_dead(sock); | |
3e33402a | 1348 | |
f976f3f6 | 1349 | set_free(free_set); |
3e33402a | 1350 | |
ceee3d82 LP |
1351 | return 0; |
1352 | } | |
1353 | ||
034c6ed7 LP |
1354 | static void service_set_state(Service *s, ServiceState state) { |
1355 | ServiceState old_state; | |
5cb5a6ff LP |
1356 | assert(s); |
1357 | ||
034c6ed7 | 1358 | old_state = s->state; |
5cb5a6ff | 1359 | s->state = state; |
034c6ed7 LP |
1360 | |
1361 | if (state != SERVICE_START_PRE && | |
1362 | state != SERVICE_START && | |
1363 | state != SERVICE_START_POST && | |
1364 | state != SERVICE_RELOAD && | |
1365 | state != SERVICE_STOP && | |
1366 | state != SERVICE_STOP_SIGTERM && | |
1367 | state != SERVICE_STOP_SIGKILL && | |
1368 | state != SERVICE_STOP_POST && | |
1369 | state != SERVICE_FINAL_SIGTERM && | |
1370 | state != SERVICE_FINAL_SIGKILL && | |
1371 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1372 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1373 | |
7d55e835 LP |
1374 | if (state != SERVICE_START && |
1375 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1376 | state != SERVICE_RUNNING && |
1377 | state != SERVICE_RELOAD && | |
1378 | state != SERVICE_STOP && | |
1379 | state != SERVICE_STOP_SIGTERM && | |
1380 | state != SERVICE_STOP_SIGKILL) | |
5e94833f | 1381 | service_unwatch_main_pid(s); |
034c6ed7 LP |
1382 | |
1383 | if (state != SERVICE_START_PRE && | |
1384 | state != SERVICE_START && | |
1385 | state != SERVICE_START_POST && | |
1386 | state != SERVICE_RELOAD && | |
1387 | state != SERVICE_STOP && | |
1388 | state != SERVICE_STOP_SIGTERM && | |
1389 | state != SERVICE_STOP_SIGKILL && | |
1390 | state != SERVICE_STOP_POST && | |
1391 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1392 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1393 | service_unwatch_control_pid(s); |
034c6ed7 | 1394 | s->control_command = NULL; |
a16e1123 | 1395 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1396 | } |
034c6ed7 | 1397 | |
ceee3d82 LP |
1398 | if (state == SERVICE_DEAD || |
1399 | state == SERVICE_STOP || | |
1400 | state == SERVICE_STOP_SIGTERM || | |
1401 | state == SERVICE_STOP_SIGKILL || | |
1402 | state == SERVICE_STOP_POST || | |
1403 | state == SERVICE_FINAL_SIGTERM || | |
1404 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1405 | state == SERVICE_FAILED || |
ceee3d82 | 1406 | state == SERVICE_AUTO_RESTART) |
e537352b | 1407 | service_notify_sockets_dead(s); |
ceee3d82 | 1408 | |
4f2d528d LP |
1409 | if (state != SERVICE_START_PRE && |
1410 | state != SERVICE_START && | |
6cf6bbc2 LP |
1411 | state != SERVICE_START_POST && |
1412 | state != SERVICE_RUNNING && | |
1413 | state != SERVICE_RELOAD && | |
1414 | state != SERVICE_STOP && | |
1415 | state != SERVICE_STOP_SIGTERM && | |
1416 | state != SERVICE_STOP_SIGKILL && | |
1417 | state != SERVICE_STOP_POST && | |
1418 | state != SERVICE_FINAL_SIGTERM && | |
1419 | state != SERVICE_FINAL_SIGKILL && | |
4cd1fbcc | 1420 | !(state == SERVICE_DEAD && s->meta.job)) { |
4f2d528d | 1421 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1422 | service_connection_unref(s); |
1423 | } | |
4f2d528d | 1424 | |
f6023656 LP |
1425 | /* For the inactive states unit_notify() will trim the cgroup, |
1426 | * but for exit we have to do that ourselves... */ | |
1427 | if (state == SERVICE_EXITED) | |
1428 | cgroup_bonding_trim_list(s->meta.cgroup_bondings, true); | |
1429 | ||
e537352b | 1430 | if (old_state != state) |
4cd1fbcc | 1431 | log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 LP |
1432 | |
1433 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
1434 | } |
1435 | ||
a16e1123 LP |
1436 | static int service_coldplug(Unit *u) { |
1437 | Service *s = SERVICE(u); | |
1438 | int r; | |
1439 | ||
1440 | assert(s); | |
1441 | assert(s->state == SERVICE_DEAD); | |
1442 | ||
1443 | if (s->deserialized_state != s->state) { | |
1444 | ||
1445 | if (s->deserialized_state == SERVICE_START_PRE || | |
1446 | s->deserialized_state == SERVICE_START || | |
1447 | s->deserialized_state == SERVICE_START_POST || | |
1448 | s->deserialized_state == SERVICE_RELOAD || | |
1449 | s->deserialized_state == SERVICE_STOP || | |
1450 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1451 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1452 | s->deserialized_state == SERVICE_STOP_POST || | |
1453 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1454 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1455 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1456 | ||
1457 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1458 | usec_t k; | |
1459 | ||
1460 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1461 | ||
1462 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1463 | return r; | |
1464 | } | |
1465 | } | |
a16e1123 LP |
1466 | |
1467 | if ((s->deserialized_state == SERVICE_START && | |
1468 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1469 | s->type == SERVICE_DBUS || |
34e9ba66 | 1470 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1471 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1472 | s->deserialized_state == SERVICE_START_POST || |
1473 | s->deserialized_state == SERVICE_RUNNING || | |
1474 | s->deserialized_state == SERVICE_RELOAD || | |
1475 | s->deserialized_state == SERVICE_STOP || | |
1476 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1477 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1478 | if (s->main_pid > 0) | |
1479 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1480 | return r; | |
1481 | ||
1482 | if (s->deserialized_state == SERVICE_START_PRE || | |
1483 | s->deserialized_state == SERVICE_START || | |
1484 | s->deserialized_state == SERVICE_START_POST || | |
1485 | s->deserialized_state == SERVICE_RELOAD || | |
1486 | s->deserialized_state == SERVICE_STOP || | |
1487 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1488 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1489 | s->deserialized_state == SERVICE_STOP_POST || | |
1490 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1491 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1492 | if (s->control_pid > 0) | |
1493 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1494 | return r; | |
1495 | ||
1496 | service_set_state(s, s->deserialized_state); | |
1497 | } | |
1498 | ||
1499 | return 0; | |
1500 | } | |
1501 | ||
44d8db9e LP |
1502 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1503 | Iterator i; | |
1504 | int r; | |
1505 | int *rfds = NULL; | |
1506 | unsigned rn_fds = 0; | |
f976f3f6 | 1507 | Set *set, *free_set = NULL; |
47be870b | 1508 | Socket *sock; |
44d8db9e LP |
1509 | |
1510 | assert(s); | |
1511 | assert(fds); | |
1512 | assert(n_fds); | |
1513 | ||
6cf6bbc2 LP |
1514 | if (s->socket_fd >= 0) |
1515 | return 0; | |
1516 | ||
f976f3f6 LP |
1517 | if (!set_isempty(s->configured_sockets)) |
1518 | set = s->configured_sockets; | |
1519 | else { | |
1520 | if ((r = service_get_sockets(s, &free_set)) < 0) | |
1521 | return r; | |
1522 | ||
1523 | set = free_set; | |
1524 | } | |
3e33402a | 1525 | |
47be870b | 1526 | SET_FOREACH(sock, set, i) { |
44d8db9e LP |
1527 | int *cfds; |
1528 | unsigned cn_fds; | |
1529 | ||
47be870b | 1530 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1531 | goto fail; |
1532 | ||
1533 | if (!cfds) | |
1534 | continue; | |
1535 | ||
1536 | if (!rfds) { | |
1537 | rfds = cfds; | |
1538 | rn_fds = cn_fds; | |
1539 | } else { | |
1540 | int *t; | |
1541 | ||
1542 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1543 | free(cfds); | |
1544 | r = -ENOMEM; | |
1545 | goto fail; | |
1546 | } | |
1547 | ||
1548 | memcpy(t, rfds, rn_fds); | |
1549 | memcpy(t+rn_fds, cfds, cn_fds); | |
1550 | free(rfds); | |
1551 | free(cfds); | |
1552 | ||
1553 | rfds = t; | |
1554 | rn_fds = rn_fds+cn_fds; | |
1555 | } | |
1556 | } | |
1557 | ||
1558 | *fds = rfds; | |
1559 | *n_fds = rn_fds; | |
3e33402a | 1560 | |
f976f3f6 | 1561 | set_free(free_set); |
3e33402a | 1562 | |
44d8db9e LP |
1563 | return 0; |
1564 | ||
1565 | fail: | |
3e33402a | 1566 | set_free(set); |
44d8db9e | 1567 | free(rfds); |
3e33402a | 1568 | |
44d8db9e LP |
1569 | return r; |
1570 | } | |
1571 | ||
81a2b7ce LP |
1572 | static int service_spawn( |
1573 | Service *s, | |
1574 | ExecCommand *c, | |
1575 | bool timeout, | |
1576 | bool pass_fds, | |
1577 | bool apply_permissions, | |
1578 | bool apply_chroot, | |
1e3ad081 | 1579 | bool apply_tty_stdin, |
c952c6ec | 1580 | bool set_notify_socket, |
81a2b7ce LP |
1581 | pid_t *_pid) { |
1582 | ||
034c6ed7 LP |
1583 | pid_t pid; |
1584 | int r; | |
6cf6bbc2 | 1585 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1586 | unsigned n_fds = 0, n_env = 0; |
1587 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1588 | |
1589 | assert(s); | |
1590 | assert(c); | |
1591 | assert(_pid); | |
1592 | ||
6cf6bbc2 LP |
1593 | if (pass_fds || |
1594 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1595 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1596 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1597 | ||
4f2d528d LP |
1598 | if (s->socket_fd >= 0) { |
1599 | fds = &s->socket_fd; | |
1600 | n_fds = 1; | |
6cf6bbc2 LP |
1601 | } else { |
1602 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1603 | goto fail; | |
1604 | ||
1605 | fds = fdsbuf; | |
1606 | } | |
4f2d528d | 1607 | } |
44d8db9e | 1608 | |
e558336f | 1609 | if (timeout && s->timeout_usec) { |
acbb0225 | 1610 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1611 | goto fail; |
1612 | } else | |
acbb0225 | 1613 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1614 | |
9e2f7c11 LP |
1615 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1616 | r = -ENOMEM; | |
1617 | goto fail; | |
1618 | } | |
1619 | ||
9865f3b4 | 1620 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1621 | r = -ENOMEM; |
1622 | goto fail; | |
1623 | } | |
c952c6ec | 1624 | |
2105e76a LP |
1625 | if (set_notify_socket) |
1626 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) { | |
c952c6ec LP |
1627 | r = -ENOMEM; |
1628 | goto fail; | |
1629 | } | |
1630 | ||
2105e76a LP |
1631 | if (s->main_pid > 0) |
1632 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1633 | r = -ENOMEM; |
1634 | goto fail; | |
1635 | } | |
2105e76a LP |
1636 | |
1637 | if (!(final_env = strv_env_merge(2, | |
1638 | s->meta.manager->environment, | |
1639 | our_env, | |
1640 | NULL))) { | |
1641 | r = -ENOMEM; | |
1642 | goto fail; | |
1643 | } | |
c952c6ec | 1644 | |
9e2f7c11 LP |
1645 | r = exec_spawn(c, |
1646 | argv, | |
1647 | &s->exec_context, | |
1648 | fds, n_fds, | |
2105e76a | 1649 | final_env, |
9e2f7c11 LP |
1650 | apply_permissions, |
1651 | apply_chroot, | |
1e3ad081 | 1652 | apply_tty_stdin, |
4cd1fbcc LP |
1653 | s->meta.manager->confirm_spawn, |
1654 | s->meta.cgroup_bondings, | |
9e2f7c11 LP |
1655 | &pid); |
1656 | ||
9e2f7c11 | 1657 | if (r < 0) |
034c6ed7 LP |
1658 | goto fail; |
1659 | ||
4f2d528d | 1660 | |
87f0e418 | 1661 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1662 | /* FIXME: we need to do something here */ |
1663 | goto fail; | |
1664 | ||
2105e76a LP |
1665 | free(fdsbuf); |
1666 | strv_free(argv); | |
1667 | strv_free(our_env); | |
1668 | strv_free(final_env); | |
1669 | ||
034c6ed7 LP |
1670 | *_pid = pid; |
1671 | ||
5cb5a6ff | 1672 | return 0; |
034c6ed7 LP |
1673 | |
1674 | fail: | |
2105e76a | 1675 | free(fdsbuf); |
c952c6ec | 1676 | strv_free(argv); |
2105e76a LP |
1677 | strv_free(our_env); |
1678 | strv_free(final_env); | |
c952c6ec | 1679 | |
034c6ed7 | 1680 | if (timeout) |
acbb0225 | 1681 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1682 | |
1683 | return r; | |
1684 | } | |
1685 | ||
80876c20 LP |
1686 | static int main_pid_good(Service *s) { |
1687 | assert(s); | |
1688 | ||
1689 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1690 | * don't know */ | |
1691 | ||
1692 | /* If we know the pid file, then lets just check if it is | |
1693 | * still valid */ | |
1694 | if (s->main_pid_known) | |
1695 | return s->main_pid > 0; | |
1696 | ||
1697 | /* We don't know the pid */ | |
1698 | return -EAGAIN; | |
1699 | } | |
1700 | ||
1701 | static int control_pid_good(Service *s) { | |
1702 | assert(s); | |
1703 | ||
1704 | return s->control_pid > 0; | |
1705 | } | |
1706 | ||
1707 | static int cgroup_good(Service *s) { | |
1708 | int r; | |
1709 | ||
1710 | assert(s); | |
1711 | ||
4cd1fbcc | 1712 | if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0) |
80876c20 LP |
1713 | return r; |
1714 | ||
1715 | return !r; | |
1716 | } | |
1717 | ||
034c6ed7 LP |
1718 | static void service_enter_dead(Service *s, bool success, bool allow_restart) { |
1719 | int r; | |
1720 | assert(s); | |
1721 | ||
1722 | if (!success) | |
1723 | s->failure = true; | |
1724 | ||
1725 | if (allow_restart && | |
47342320 | 1726 | !s->forbid_restart && |
034c6ed7 | 1727 | (s->restart == SERVICE_RESTART_ALWAYS || |
50caaedb LP |
1728 | (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) || |
1729 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) || | |
1730 | (s->restart == SERVICE_RESTART_ON_ABORT && s->failure && | |
1731 | (s->main_exec_status.code == CLD_KILLED || | |
1732 | s->main_exec_status.code == CLD_DUMPED)))) { | |
034c6ed7 | 1733 | |
acbb0225 | 1734 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1735 | goto fail; |
1736 | ||
1737 | service_set_state(s, SERVICE_AUTO_RESTART); | |
1738 | } else | |
fdf20a31 | 1739 | service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD); |
034c6ed7 | 1740 | |
47342320 LP |
1741 | s->forbid_restart = false; |
1742 | ||
034c6ed7 LP |
1743 | return; |
1744 | ||
1745 | fail: | |
4cd1fbcc | 1746 | log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1747 | service_enter_dead(s, false, false); |
1748 | } | |
1749 | ||
1750 | static void service_enter_signal(Service *s, ServiceState state, bool success); | |
1751 | ||
1752 | static void service_enter_stop_post(Service *s, bool success) { | |
1753 | int r; | |
1754 | assert(s); | |
1755 | ||
1756 | if (!success) | |
1757 | s->failure = true; | |
1758 | ||
5e94833f LP |
1759 | service_unwatch_control_pid(s); |
1760 | ||
a16e1123 | 1761 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
80876c20 | 1762 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
81a2b7ce LP |
1763 | if ((r = service_spawn(s, |
1764 | s->control_command, | |
1765 | true, | |
1766 | false, | |
1767 | !s->permissions_start_only, | |
1768 | !s->root_directory_start_only, | |
1e3ad081 | 1769 | true, |
c952c6ec | 1770 | false, |
81a2b7ce | 1771 | &s->control_pid)) < 0) |
034c6ed7 LP |
1772 | goto fail; |
1773 | ||
d6ea93e3 | 1774 | |
80876c20 LP |
1775 | service_set_state(s, SERVICE_STOP_POST); |
1776 | } else | |
1777 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, true); | |
034c6ed7 LP |
1778 | |
1779 | return; | |
1780 | ||
1781 | fail: | |
4cd1fbcc | 1782 | log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1783 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
1784 | } | |
1785 | ||
1786 | static void service_enter_signal(Service *s, ServiceState state, bool success) { | |
1787 | int r; | |
ca949c9d LP |
1788 | Set *pid_set = NULL; |
1789 | bool wait_for_exit = false; | |
034c6ed7 LP |
1790 | |
1791 | assert(s); | |
1792 | ||
1793 | if (!success) | |
1794 | s->failure = true; | |
1795 | ||
2e22afe9 LP |
1796 | if (s->exec_context.kill_mode != KILL_NONE) { |
1797 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 1798 | |
ca949c9d LP |
1799 | if (s->main_pid > 0) { |
1800 | if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ? | |
1801 | -s->main_pid : | |
1802 | s->main_pid, sig) < 0 && errno != ESRCH) | |
034c6ed7 | 1803 | |
ca949c9d LP |
1804 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1805 | else | |
1806 | wait_for_exit = true; | |
034c6ed7 LP |
1807 | } |
1808 | ||
ca949c9d LP |
1809 | if (s->control_pid > 0) { |
1810 | if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ? | |
1811 | -s->control_pid : | |
1812 | s->control_pid, sig) < 0 && errno != ESRCH) | |
80876c20 | 1813 | |
ca949c9d LP |
1814 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1815 | else | |
1816 | wait_for_exit = true; | |
1817 | } | |
50159e6a | 1818 | |
ca949c9d | 1819 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1820 | |
ca949c9d LP |
1821 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) { |
1822 | r = -ENOMEM; | |
50159e6a | 1823 | goto fail; |
ca949c9d LP |
1824 | } |
1825 | ||
1826 | /* Exclude the main/control pids from being killed via the cgroup */ | |
1827 | if (s->main_pid > 0) | |
1828 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
1829 | goto fail; | |
1830 | ||
1831 | if (s->control_pid > 0) | |
1832 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
1833 | goto fail; | |
1834 | ||
1835 | if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) { | |
1836 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) | |
1837 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 1838 | } else if (r > 0) |
ca949c9d LP |
1839 | wait_for_exit = true; |
1840 | ||
1841 | set_free(pid_set); | |
50159e6a | 1842 | } |
d6ea93e3 | 1843 | } |
034c6ed7 | 1844 | |
ca949c9d | 1845 | if (wait_for_exit) { |
e558336f LP |
1846 | if (s->timeout_usec > 0) |
1847 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
1848 | goto fail; | |
d6ea93e3 | 1849 | |
80876c20 LP |
1850 | service_set_state(s, state); |
1851 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
1852 | service_enter_stop_post(s, true); | |
1853 | else | |
034c6ed7 LP |
1854 | service_enter_dead(s, true, true); |
1855 | ||
1856 | return; | |
1857 | ||
1858 | fail: | |
4cd1fbcc | 1859 | log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 1860 | |
80876c20 | 1861 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
034c6ed7 LP |
1862 | service_enter_stop_post(s, false); |
1863 | else | |
1864 | service_enter_dead(s, false, true); | |
ca949c9d LP |
1865 | |
1866 | if (pid_set) | |
1867 | set_free(pid_set); | |
034c6ed7 LP |
1868 | } |
1869 | ||
1870 | static void service_enter_stop(Service *s, bool success) { | |
1871 | int r; | |
5925dd3c | 1872 | |
034c6ed7 LP |
1873 | assert(s); |
1874 | ||
1875 | if (!success) | |
1876 | s->failure = true; | |
1877 | ||
5e94833f LP |
1878 | service_unwatch_control_pid(s); |
1879 | ||
a16e1123 | 1880 | s->control_command_id = SERVICE_EXEC_STOP; |
80876c20 | 1881 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
81a2b7ce LP |
1882 | if ((r = service_spawn(s, |
1883 | s->control_command, | |
1884 | true, | |
1885 | false, | |
1886 | !s->permissions_start_only, | |
1887 | !s->root_directory_start_only, | |
c952c6ec | 1888 | false, |
1e3ad081 | 1889 | false, |
e55224ca | 1890 | &s->control_pid)) < 0) |
034c6ed7 LP |
1891 | goto fail; |
1892 | ||
80876c20 LP |
1893 | service_set_state(s, SERVICE_STOP); |
1894 | } else | |
034c6ed7 LP |
1895 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); |
1896 | ||
1897 | return; | |
1898 | ||
1899 | fail: | |
4cd1fbcc | 1900 | log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1901 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1902 | } | |
1903 | ||
80876c20 | 1904 | static void service_enter_running(Service *s, bool success) { |
4eab639f | 1905 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
1906 | assert(s); |
1907 | ||
1908 | if (!success) | |
1909 | s->failure = true; | |
1910 | ||
4eab639f LP |
1911 | main_pid_ok = main_pid_good(s); |
1912 | cgroup_ok = cgroup_good(s); | |
1913 | ||
1914 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 1915 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 1916 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 1917 | else if (s->remain_after_exit) |
80876c20 LP |
1918 | service_set_state(s, SERVICE_EXITED); |
1919 | else | |
1920 | service_enter_stop(s, true); | |
1921 | } | |
1922 | ||
034c6ed7 LP |
1923 | static void service_enter_start_post(Service *s) { |
1924 | int r; | |
1925 | assert(s); | |
1926 | ||
5e94833f LP |
1927 | service_unwatch_control_pid(s); |
1928 | ||
a16e1123 | 1929 | s->control_command_id = SERVICE_EXEC_START_POST; |
80876c20 | 1930 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
81a2b7ce LP |
1931 | if ((r = service_spawn(s, |
1932 | s->control_command, | |
1933 | true, | |
1934 | false, | |
1935 | !s->permissions_start_only, | |
1936 | !s->root_directory_start_only, | |
c952c6ec | 1937 | false, |
1e3ad081 | 1938 | false, |
e55224ca | 1939 | &s->control_pid)) < 0) |
034c6ed7 LP |
1940 | goto fail; |
1941 | ||
80876c20 LP |
1942 | service_set_state(s, SERVICE_START_POST); |
1943 | } else | |
1944 | service_enter_running(s, true); | |
034c6ed7 LP |
1945 | |
1946 | return; | |
1947 | ||
1948 | fail: | |
4cd1fbcc | 1949 | log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1950 | service_enter_stop(s, false); |
1951 | } | |
1952 | ||
1953 | static void service_enter_start(Service *s) { | |
1954 | pid_t pid; | |
1955 | int r; | |
1956 | ||
1957 | assert(s); | |
1958 | ||
1959 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 1960 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 1961 | |
80876c20 LP |
1962 | if (s->type == SERVICE_FORKING) |
1963 | service_unwatch_control_pid(s); | |
1964 | else | |
1965 | service_unwatch_main_pid(s); | |
1966 | ||
34e9ba66 LP |
1967 | s->control_command_id = SERVICE_EXEC_START; |
1968 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
1969 | ||
81a2b7ce | 1970 | if ((r = service_spawn(s, |
34e9ba66 | 1971 | s->control_command, |
8c47c732 | 1972 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY, |
81a2b7ce LP |
1973 | true, |
1974 | true, | |
1975 | true, | |
1e3ad081 | 1976 | true, |
c952c6ec | 1977 | s->notify_access != NOTIFY_NONE, |
81a2b7ce | 1978 | &pid)) < 0) |
034c6ed7 LP |
1979 | goto fail; |
1980 | ||
1981 | if (s->type == SERVICE_SIMPLE) { | |
1982 | /* For simple services we immediately start | |
1983 | * the START_POST binaries. */ | |
1984 | ||
5925dd3c | 1985 | service_set_main_pid(s, pid); |
034c6ed7 LP |
1986 | service_enter_start_post(s); |
1987 | ||
1988 | } else if (s->type == SERVICE_FORKING) { | |
1989 | ||
1990 | /* For forking services we wait until the start | |
1991 | * process exited. */ | |
1992 | ||
e55224ca | 1993 | s->control_pid = pid; |
80876c20 LP |
1994 | service_set_state(s, SERVICE_START); |
1995 | ||
34e9ba66 | 1996 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
1997 | s->type == SERVICE_DBUS || |
1998 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 1999 | |
34e9ba66 | 2000 | /* For oneshot services we wait until the start |
7d55e835 LP |
2001 | * process exited, too, but it is our main process. */ |
2002 | ||
05e343b7 | 2003 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2004 | * but wait for the bus name to appear on the |
2005 | * bus. Notify services are similar. */ | |
05e343b7 | 2006 | |
5925dd3c | 2007 | service_set_main_pid(s, pid); |
80876c20 | 2008 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2009 | } else |
2010 | assert_not_reached("Unknown service type"); | |
2011 | ||
2012 | return; | |
2013 | ||
2014 | fail: | |
4cd1fbcc | 2015 | log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r)); |
80876c20 | 2016 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2017 | } |
2018 | ||
2019 | static void service_enter_start_pre(Service *s) { | |
2020 | int r; | |
2021 | ||
2022 | assert(s); | |
2023 | ||
5e94833f LP |
2024 | service_unwatch_control_pid(s); |
2025 | ||
a16e1123 | 2026 | s->control_command_id = SERVICE_EXEC_START_PRE; |
80876c20 | 2027 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
81a2b7ce LP |
2028 | if ((r = service_spawn(s, |
2029 | s->control_command, | |
2030 | true, | |
2031 | false, | |
2032 | !s->permissions_start_only, | |
2033 | !s->root_directory_start_only, | |
1e3ad081 | 2034 | true, |
c952c6ec | 2035 | false, |
e55224ca | 2036 | &s->control_pid)) < 0) |
034c6ed7 LP |
2037 | goto fail; |
2038 | ||
80876c20 LP |
2039 | service_set_state(s, SERVICE_START_PRE); |
2040 | } else | |
034c6ed7 LP |
2041 | service_enter_start(s); |
2042 | ||
2043 | return; | |
2044 | ||
2045 | fail: | |
4cd1fbcc | 2046 | log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
2047 | service_enter_dead(s, false, true); |
2048 | } | |
2049 | ||
2050 | static void service_enter_restart(Service *s) { | |
2051 | int r; | |
398ef8ba LP |
2052 | DBusError error; |
2053 | ||
034c6ed7 | 2054 | assert(s); |
398ef8ba | 2055 | dbus_error_init(&error); |
034c6ed7 | 2056 | |
2edfa366 LP |
2057 | if (s->meta.job) { |
2058 | log_info("Job pending for unit, delaying automatic restart."); | |
2059 | ||
2060 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) | |
2061 | goto fail; | |
2062 | } | |
2063 | ||
9ea9a0c8 LP |
2064 | service_enter_dead(s, true, false); |
2065 | ||
7b2603e6 | 2066 | if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0) |
034c6ed7 LP |
2067 | goto fail; |
2068 | ||
4cd1fbcc | 2069 | log_debug("%s scheduled restart job.", s->meta.id); |
034c6ed7 LP |
2070 | return; |
2071 | ||
2072 | fail: | |
398ef8ba | 2073 | log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r)); |
034c6ed7 | 2074 | service_enter_dead(s, false, false); |
398ef8ba LP |
2075 | |
2076 | dbus_error_free(&error); | |
034c6ed7 LP |
2077 | } |
2078 | ||
2079 | static void service_enter_reload(Service *s) { | |
2080 | int r; | |
2081 | ||
2082 | assert(s); | |
2083 | ||
5e94833f LP |
2084 | service_unwatch_control_pid(s); |
2085 | ||
a16e1123 | 2086 | s->control_command_id = SERVICE_EXEC_RELOAD; |
80876c20 | 2087 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
81a2b7ce LP |
2088 | if ((r = service_spawn(s, |
2089 | s->control_command, | |
2090 | true, | |
2091 | false, | |
2092 | !s->permissions_start_only, | |
2093 | !s->root_directory_start_only, | |
c952c6ec | 2094 | false, |
1e3ad081 | 2095 | false, |
e55224ca | 2096 | &s->control_pid)) < 0) |
034c6ed7 LP |
2097 | goto fail; |
2098 | ||
80876c20 LP |
2099 | service_set_state(s, SERVICE_RELOAD); |
2100 | } else | |
2101 | service_enter_running(s, true); | |
034c6ed7 LP |
2102 | |
2103 | return; | |
2104 | ||
2105 | fail: | |
4cd1fbcc | 2106 | log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
2107 | service_enter_stop(s, false); |
2108 | } | |
2109 | ||
34e9ba66 | 2110 | static void service_run_next_control(Service *s, bool success) { |
034c6ed7 LP |
2111 | int r; |
2112 | ||
2113 | assert(s); | |
2114 | assert(s->control_command); | |
2115 | assert(s->control_command->command_next); | |
2116 | ||
2117 | if (!success) | |
2118 | s->failure = true; | |
2119 | ||
34e9ba66 | 2120 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2121 | |
34e9ba66 | 2122 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2123 | service_unwatch_control_pid(s); |
2124 | ||
81a2b7ce LP |
2125 | if ((r = service_spawn(s, |
2126 | s->control_command, | |
2127 | true, | |
2128 | false, | |
2129 | !s->permissions_start_only, | |
2130 | !s->root_directory_start_only, | |
5830833f LP |
2131 | s->control_command_id == SERVICE_EXEC_START_PRE || |
2132 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
1e3ad081 | 2133 | false, |
e55224ca | 2134 | &s->control_pid)) < 0) |
034c6ed7 LP |
2135 | goto fail; |
2136 | ||
2137 | return; | |
2138 | ||
2139 | fail: | |
34e9ba66 | 2140 | log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 2141 | |
80876c20 LP |
2142 | if (s->state == SERVICE_START_PRE) |
2143 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
2144 | else if (s->state == SERVICE_STOP) | |
2145 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); | |
034c6ed7 LP |
2146 | else if (s->state == SERVICE_STOP_POST) |
2147 | service_enter_dead(s, false, true); | |
2148 | else | |
2149 | service_enter_stop(s, false); | |
5cb5a6ff LP |
2150 | } |
2151 | ||
34e9ba66 LP |
2152 | static void service_run_next_main(Service *s, bool success) { |
2153 | pid_t pid; | |
2154 | int r; | |
2155 | ||
2156 | assert(s); | |
2157 | assert(s->control_command); | |
2158 | assert(s->control_command->command_next); | |
2159 | ||
2160 | if (!success) | |
2161 | s->failure = true; | |
2162 | ||
2163 | assert(s->control_command_id == SERVICE_EXEC_START); | |
2164 | assert(s->type == SERVICE_ONESHOT); | |
2165 | ||
2166 | s->control_command = s->control_command->command_next; | |
2167 | service_unwatch_main_pid(s); | |
2168 | ||
2169 | if ((r = service_spawn(s, | |
2170 | s->control_command, | |
2171 | false, | |
2172 | true, | |
2173 | true, | |
2174 | true, | |
2175 | true, | |
2176 | s->notify_access != NOTIFY_NONE, | |
2177 | &pid)) < 0) | |
2178 | goto fail; | |
2179 | ||
2180 | service_set_main_pid(s, pid); | |
2181 | ||
2182 | return; | |
2183 | ||
2184 | fail: | |
2185 | log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r)); | |
2186 | service_enter_stop(s, false); | |
2187 | } | |
2188 | ||
87f0e418 LP |
2189 | static int service_start(Unit *u) { |
2190 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2191 | |
2192 | assert(s); | |
2193 | ||
034c6ed7 LP |
2194 | /* We cannot fulfill this request right now, try again later |
2195 | * please! */ | |
2196 | if (s->state == SERVICE_STOP || | |
2197 | s->state == SERVICE_STOP_SIGTERM || | |
2198 | s->state == SERVICE_STOP_SIGKILL || | |
2199 | s->state == SERVICE_STOP_POST || | |
2200 | s->state == SERVICE_FINAL_SIGTERM || | |
2201 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2202 | return -EAGAIN; |
2203 | ||
034c6ed7 LP |
2204 | /* Already on it! */ |
2205 | if (s->state == SERVICE_START_PRE || | |
2206 | s->state == SERVICE_START || | |
2207 | s->state == SERVICE_START_POST) | |
2208 | return 0; | |
2209 | ||
fdf20a31 | 2210 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART); |
5cb5a6ff | 2211 | |
1e2e8133 LP |
2212 | /* Make sure we don't enter a busy loop of some kind. */ |
2213 | if (!ratelimit_test(&s->ratelimit)) { | |
9e2f7c11 | 2214 | log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id); |
d5159713 | 2215 | return -ECANCELED; |
1e2e8133 LP |
2216 | } |
2217 | ||
034c6ed7 LP |
2218 | s->failure = false; |
2219 | s->main_pid_known = false; | |
47342320 | 2220 | s->forbid_restart = false; |
034c6ed7 LP |
2221 | |
2222 | service_enter_start_pre(s); | |
2223 | return 0; | |
5cb5a6ff LP |
2224 | } |
2225 | ||
87f0e418 LP |
2226 | static int service_stop(Unit *u) { |
2227 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2228 | |
2229 | assert(s); | |
2230 | ||
3f6c78dc LP |
2231 | /* This is a user request, so don't do restarts on this |
2232 | * shutdown. */ | |
47342320 | 2233 | s->forbid_restart = true; |
034c6ed7 | 2234 | |
e537352b LP |
2235 | /* Already on it */ |
2236 | if (s->state == SERVICE_STOP || | |
2237 | s->state == SERVICE_STOP_SIGTERM || | |
2238 | s->state == SERVICE_STOP_SIGKILL || | |
2239 | s->state == SERVICE_STOP_POST || | |
2240 | s->state == SERVICE_FINAL_SIGTERM || | |
2241 | s->state == SERVICE_FINAL_SIGKILL) | |
2242 | return 0; | |
2243 | ||
3f6c78dc | 2244 | /* Don't allow a restart */ |
034c6ed7 LP |
2245 | if (s->state == SERVICE_AUTO_RESTART) { |
2246 | service_set_state(s, SERVICE_DEAD); | |
2247 | return 0; | |
2248 | } | |
2249 | ||
3f6c78dc LP |
2250 | /* If there's already something running we go directly into |
2251 | * kill mode. */ | |
2252 | if (s->state == SERVICE_START_PRE || | |
2253 | s->state == SERVICE_START || | |
2254 | s->state == SERVICE_START_POST || | |
2255 | s->state == SERVICE_RELOAD) { | |
2256 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); | |
2257 | return 0; | |
2258 | } | |
5cb5a6ff | 2259 | |
3f6c78dc LP |
2260 | assert(s->state == SERVICE_RUNNING || |
2261 | s->state == SERVICE_EXITED); | |
3a762661 | 2262 | |
034c6ed7 | 2263 | service_enter_stop(s, true); |
5cb5a6ff LP |
2264 | return 0; |
2265 | } | |
2266 | ||
87f0e418 LP |
2267 | static int service_reload(Unit *u) { |
2268 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2269 | |
2270 | assert(s); | |
2271 | ||
80876c20 | 2272 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2273 | |
2274 | service_enter_reload(s); | |
5cb5a6ff LP |
2275 | return 0; |
2276 | } | |
2277 | ||
87f0e418 LP |
2278 | static bool service_can_reload(Unit *u) { |
2279 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2280 | |
2281 | assert(s); | |
2282 | ||
2283 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2284 | } | |
2285 | ||
a16e1123 LP |
2286 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2287 | Service *s = SERVICE(u); | |
2288 | ||
2289 | assert(u); | |
2290 | assert(f); | |
2291 | assert(fds); | |
2292 | ||
2293 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
2294 | unit_serialize_item(u, f, "failure", yes_no(s->failure)); | |
2295 | ||
2296 | if (s->control_pid > 0) | |
5925dd3c | 2297 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2298 | |
5925dd3c LP |
2299 | if (s->main_pid_known && s->main_pid > 0) |
2300 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2301 | |
2302 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2303 | ||
3a2776bc LP |
2304 | if (s->status_text) |
2305 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2306 | ||
a16e1123 LP |
2307 | /* There's a minor uncleanliness here: if there are multiple |
2308 | * commands attached here, we will start from the first one | |
2309 | * again */ | |
2310 | if (s->control_command_id >= 0) | |
825636e5 | 2311 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2312 | |
2313 | if (s->socket_fd >= 0) { | |
2314 | int copy; | |
2315 | ||
2316 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2317 | return copy; | |
2318 | ||
2319 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2320 | } | |
2321 | ||
ecdbca40 LP |
2322 | if (s->main_exec_status.pid > 0) { |
2323 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2324 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2325 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2326 | |
799fd0fd | 2327 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2328 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2329 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2330 | } | |
2331 | } | |
2332 | ||
a16e1123 LP |
2333 | return 0; |
2334 | } | |
2335 | ||
2336 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2337 | Service *s = SERVICE(u); | |
a16e1123 LP |
2338 | |
2339 | assert(u); | |
2340 | assert(key); | |
2341 | assert(value); | |
2342 | assert(fds); | |
2343 | ||
2344 | if (streq(key, "state")) { | |
2345 | ServiceState state; | |
2346 | ||
2347 | if ((state = service_state_from_string(value)) < 0) | |
2348 | log_debug("Failed to parse state value %s", value); | |
2349 | else | |
2350 | s->deserialized_state = state; | |
2351 | } else if (streq(key, "failure")) { | |
2352 | int b; | |
2353 | ||
2354 | if ((b = parse_boolean(value)) < 0) | |
2355 | log_debug("Failed to parse failure value %s", value); | |
2356 | else | |
2357 | s->failure = b || s->failure; | |
2358 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 2359 | pid_t pid; |
a16e1123 | 2360 | |
e364ad06 | 2361 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2362 | log_debug("Failed to parse control-pid value %s", value); |
2363 | else | |
e55224ca | 2364 | s->control_pid = pid; |
a16e1123 | 2365 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2366 | pid_t pid; |
a16e1123 | 2367 | |
e364ad06 | 2368 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2369 | log_debug("Failed to parse main-pid value %s", value); |
2370 | else | |
5925dd3c | 2371 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2372 | } else if (streq(key, "main-pid-known")) { |
2373 | int b; | |
2374 | ||
2375 | if ((b = parse_boolean(value)) < 0) | |
2376 | log_debug("Failed to parse main-pid-known value %s", value); | |
2377 | else | |
2378 | s->main_pid_known = b; | |
3a2776bc LP |
2379 | } else if (streq(key, "status-text")) { |
2380 | char *t; | |
2381 | ||
2382 | if ((t = strdup(value))) { | |
2383 | free(s->status_text); | |
2384 | s->status_text = t; | |
2385 | } | |
2386 | ||
a16e1123 LP |
2387 | } else if (streq(key, "control-command")) { |
2388 | ServiceExecCommand id; | |
2389 | ||
2390 | if ((id = service_exec_command_from_string(value)) < 0) | |
2391 | log_debug("Failed to parse exec-command value %s", value); | |
2392 | else { | |
2393 | s->control_command_id = id; | |
2394 | s->control_command = s->exec_command[id]; | |
2395 | } | |
2396 | } else if (streq(key, "socket-fd")) { | |
2397 | int fd; | |
2398 | ||
2399 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2400 | log_debug("Failed to parse socket-fd value %s", value); | |
2401 | else { | |
2402 | ||
2403 | if (s->socket_fd >= 0) | |
2404 | close_nointr_nofail(s->socket_fd); | |
2405 | s->socket_fd = fdset_remove(fds, fd); | |
2406 | } | |
ecdbca40 LP |
2407 | } else if (streq(key, "main-exec-status-pid")) { |
2408 | pid_t pid; | |
2409 | ||
e364ad06 | 2410 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2411 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2412 | else | |
2413 | s->main_exec_status.pid = pid; | |
2414 | } else if (streq(key, "main-exec-status-code")) { | |
2415 | int i; | |
2416 | ||
e364ad06 | 2417 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2418 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2419 | else | |
2420 | s->main_exec_status.code = i; | |
2421 | } else if (streq(key, "main-exec-status-status")) { | |
2422 | int i; | |
2423 | ||
e364ad06 | 2424 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2425 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2426 | else | |
2427 | s->main_exec_status.status = i; | |
799fd0fd LP |
2428 | } else if (streq(key, "main-exec-status-start")) |
2429 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2430 | else if (streq(key, "main-exec-status-exit")) | |
2431 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
2432 | else | |
a16e1123 LP |
2433 | log_debug("Unknown serialization key '%s'", key); |
2434 | ||
2435 | return 0; | |
2436 | } | |
2437 | ||
87f0e418 LP |
2438 | static UnitActiveState service_active_state(Unit *u) { |
2439 | assert(u); | |
5cb5a6ff | 2440 | |
acbb0225 | 2441 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
2442 | } |
2443 | ||
10a94420 LP |
2444 | static const char *service_sub_state_to_string(Unit *u) { |
2445 | assert(u); | |
2446 | ||
2447 | return service_state_to_string(SERVICE(u)->state); | |
2448 | } | |
2449 | ||
07459bb6 | 2450 | #ifdef HAVE_SYSV_COMPAT |
701cc384 LP |
2451 | static bool service_check_gc(Unit *u) { |
2452 | Service *s = SERVICE(u); | |
2453 | ||
2454 | assert(s); | |
2455 | ||
2456 | return !!s->sysv_path; | |
2457 | } | |
07459bb6 | 2458 | #endif |
701cc384 LP |
2459 | |
2460 | static bool service_check_snapshot(Unit *u) { | |
2461 | Service *s = SERVICE(u); | |
2462 | ||
2463 | assert(s); | |
2464 | ||
2465 | return !s->got_socket_fd; | |
2466 | } | |
2467 | ||
87f0e418 LP |
2468 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2469 | Service *s = SERVICE(u); | |
034c6ed7 | 2470 | bool success; |
5cb5a6ff LP |
2471 | |
2472 | assert(s); | |
034c6ed7 LP |
2473 | assert(pid >= 0); |
2474 | ||
f21781d5 | 2475 | if (!s->meta.fragment_path) |
d06dacd0 LP |
2476 | success = is_clean_exit_lsb(code, status); |
2477 | else | |
2478 | success = is_clean_exit(code, status); | |
034c6ed7 LP |
2479 | |
2480 | if (s->main_pid == pid) { | |
2481 | ||
034c6ed7 | 2482 | s->main_pid = 0; |
169c1bda | 2483 | exec_status_exit(&s->main_exec_status, pid, code, status, s->exec_context.utmp_id); |
034c6ed7 | 2484 | |
34e9ba66 LP |
2485 | if (s->type != SERVICE_FORKING && s->control_command) { |
2486 | s->control_command->exec_status = s->main_exec_status; | |
b708e7ce | 2487 | |
34e9ba66 | 2488 | if (s->control_command->ignore) |
b708e7ce | 2489 | success = true; |
034c6ed7 LP |
2490 | } |
2491 | ||
92abbefb LP |
2492 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
2493 | "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status); | |
b708e7ce | 2494 | s->failure = s->failure || !success; |
034c6ed7 | 2495 | |
34e9ba66 LP |
2496 | if (s->control_command && |
2497 | s->control_command->command_next && | |
2498 | success) { | |
034c6ed7 | 2499 | |
34e9ba66 LP |
2500 | /* There is another command to * |
2501 | * execute, so let's do that. */ | |
034c6ed7 | 2502 | |
34e9ba66 LP |
2503 | log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state)); |
2504 | service_run_next_main(s, success); | |
034c6ed7 | 2505 | |
34e9ba66 LP |
2506 | } else { |
2507 | ||
2508 | /* The service exited, so the service is officially | |
2509 | * gone. */ | |
2510 | ||
2511 | s->control_command = NULL; | |
2512 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2513 | ||
2514 | switch (s->state) { | |
2515 | ||
2516 | case SERVICE_START_POST: | |
2517 | case SERVICE_RELOAD: | |
2518 | case SERVICE_STOP: | |
2519 | /* Need to wait until the operation is | |
2520 | * done */ | |
c4653a4d | 2521 | break; |
7d55e835 | 2522 | |
34e9ba66 LP |
2523 | case SERVICE_START: |
2524 | if (s->type == SERVICE_ONESHOT) { | |
2525 | /* This was our main goal, so let's go on */ | |
2526 | if (success) | |
2527 | service_enter_start_post(s); | |
2528 | else | |
2529 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
2530 | break; | |
2531 | } else { | |
2532 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2533 | |
34e9ba66 LP |
2534 | /* Fall through */ |
2535 | } | |
034c6ed7 | 2536 | |
34e9ba66 LP |
2537 | case SERVICE_RUNNING: |
2538 | service_enter_running(s, success); | |
2539 | break; | |
034c6ed7 | 2540 | |
34e9ba66 LP |
2541 | case SERVICE_STOP_SIGTERM: |
2542 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2543 | |
34e9ba66 LP |
2544 | if (!control_pid_good(s)) |
2545 | service_enter_stop_post(s, success); | |
5cb5a6ff | 2546 | |
34e9ba66 LP |
2547 | /* If there is still a control process, wait for that first */ |
2548 | break; | |
2549 | ||
2550 | default: | |
2551 | assert_not_reached("Uh, main process died at wrong time."); | |
2552 | } | |
034c6ed7 | 2553 | } |
5cb5a6ff | 2554 | |
034c6ed7 | 2555 | } else if (s->control_pid == pid) { |
034c6ed7 | 2556 | |
34e9ba66 LP |
2557 | s->control_pid = 0; |
2558 | ||
b708e7ce | 2559 | if (s->control_command) { |
169c1bda | 2560 | exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id); |
a16e1123 | 2561 | |
b708e7ce LP |
2562 | if (s->control_command->ignore) |
2563 | success = true; | |
2564 | } | |
2565 | ||
34e9ba66 | 2566 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
92abbefb | 2567 | "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); |
b708e7ce | 2568 | s->failure = s->failure || !success; |
034c6ed7 | 2569 | |
34e9ba66 LP |
2570 | if (s->control_command && |
2571 | s->control_command->command_next && | |
2572 | success) { | |
034c6ed7 LP |
2573 | |
2574 | /* There is another command to * | |
2575 | * execute, so let's do that. */ | |
2576 | ||
34e9ba66 LP |
2577 | log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state)); |
2578 | service_run_next_control(s, success); | |
034c6ed7 | 2579 | |
80876c20 | 2580 | } else { |
034c6ed7 LP |
2581 | /* No further commands for this step, so let's |
2582 | * figure out what to do next */ | |
2583 | ||
a16e1123 LP |
2584 | s->control_command = NULL; |
2585 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2586 | ||
9e2f7c11 | 2587 | log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state)); |
bd982a8b | 2588 | |
034c6ed7 LP |
2589 | switch (s->state) { |
2590 | ||
2591 | case SERVICE_START_PRE: | |
2592 | if (success) | |
2593 | service_enter_start(s); | |
2594 | else | |
80876c20 | 2595 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2596 | break; |
2597 | ||
2598 | case SERVICE_START: | |
2599 | assert(s->type == SERVICE_FORKING); | |
2600 | ||
2601 | /* Let's try to load the pid | |
2602 | * file here if we can. We | |
2603 | * ignore the return value, | |
2604 | * since the PID file might | |
2605 | * actually be created by a | |
2606 | * START_POST script */ | |
2607 | ||
2608 | if (success) { | |
4fbf50b3 LP |
2609 | service_load_pid_file(s); |
2610 | service_search_main_pid(s); | |
034c6ed7 LP |
2611 | |
2612 | service_enter_start_post(s); | |
2613 | } else | |
80876c20 | 2614 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2615 | |
2616 | break; | |
2617 | ||
2618 | case SERVICE_START_POST: | |
2619 | if (success && s->pid_file && !s->main_pid_known) { | |
2620 | int r; | |
2621 | ||
2622 | /* Hmm, let's see if we can | |
2623 | * load the pid now after the | |
2624 | * start-post scripts got | |
2625 | * executed. */ | |
2626 | ||
2627 | if ((r = service_load_pid_file(s)) < 0) | |
4cd1fbcc | 2628 | log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r)); |
034c6ed7 LP |
2629 | } |
2630 | ||
2631 | /* Fall through */ | |
2632 | ||
2633 | case SERVICE_RELOAD: | |
80876c20 LP |
2634 | if (success) |
2635 | service_enter_running(s, true); | |
2636 | else | |
034c6ed7 LP |
2637 | service_enter_stop(s, false); |
2638 | ||
2639 | break; | |
2640 | ||
2641 | case SERVICE_STOP: | |
80876c20 | 2642 | service_enter_signal(s, SERVICE_STOP_SIGTERM, success); |
034c6ed7 LP |
2643 | break; |
2644 | ||
2645 | case SERVICE_STOP_SIGTERM: | |
2646 | case SERVICE_STOP_SIGKILL: | |
2647 | if (main_pid_good(s) <= 0) | |
2648 | service_enter_stop_post(s, success); | |
2649 | ||
2650 | /* If there is still a service | |
2651 | * process around, wait until | |
2652 | * that one quit, too */ | |
2653 | break; | |
2654 | ||
2655 | case SERVICE_STOP_POST: | |
2656 | case SERVICE_FINAL_SIGTERM: | |
2657 | case SERVICE_FINAL_SIGKILL: | |
2658 | service_enter_dead(s, success, true); | |
2659 | break; | |
2660 | ||
2661 | default: | |
2662 | assert_not_reached("Uh, control process died at wrong time."); | |
2663 | } | |
2664 | } | |
8c47c732 | 2665 | } |
c4e2ceae LP |
2666 | |
2667 | /* Notify clients about changed exit status */ | |
2668 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
2669 | } |
2670 | ||
acbb0225 | 2671 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 2672 | Service *s = SERVICE(u); |
034c6ed7 LP |
2673 | |
2674 | assert(s); | |
2675 | assert(elapsed == 1); | |
2676 | ||
acbb0225 | 2677 | assert(w == &s->timer_watch); |
034c6ed7 LP |
2678 | |
2679 | switch (s->state) { | |
2680 | ||
2681 | case SERVICE_START_PRE: | |
2682 | case SERVICE_START: | |
9e2f7c11 | 2683 | log_warning("%s operation timed out. Terminating.", u->meta.id); |
80876c20 LP |
2684 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2685 | break; | |
2686 | ||
034c6ed7 LP |
2687 | case SERVICE_START_POST: |
2688 | case SERVICE_RELOAD: | |
9e2f7c11 | 2689 | log_warning("%s operation timed out. Stopping.", u->meta.id); |
034c6ed7 LP |
2690 | service_enter_stop(s, false); |
2691 | break; | |
2692 | ||
2693 | case SERVICE_STOP: | |
9e2f7c11 | 2694 | log_warning("%s stopping timed out. Terminating.", u->meta.id); |
034c6ed7 LP |
2695 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
2696 | break; | |
2697 | ||
2698 | case SERVICE_STOP_SIGTERM: | |
9e2f7c11 | 2699 | log_warning("%s stopping timed out. Killing.", u->meta.id); |
034c6ed7 LP |
2700 | service_enter_signal(s, SERVICE_STOP_SIGKILL, false); |
2701 | break; | |
2702 | ||
2703 | case SERVICE_STOP_SIGKILL: | |
2704 | /* Uh, wie sent a SIGKILL and it is still not gone? | |
2705 | * Must be something we cannot kill, so let's just be | |
2706 | * weirded out and continue */ | |
2707 | ||
9e2f7c11 | 2708 | log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id); |
034c6ed7 LP |
2709 | service_enter_stop_post(s, false); |
2710 | break; | |
2711 | ||
2712 | case SERVICE_STOP_POST: | |
9e2f7c11 | 2713 | log_warning("%s stopping timed out (2). Terminating.", u->meta.id); |
034c6ed7 LP |
2714 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2715 | break; | |
2716 | ||
2717 | case SERVICE_FINAL_SIGTERM: | |
9e2f7c11 | 2718 | log_warning("%s stopping timed out (2). Killing.", u->meta.id); |
034c6ed7 LP |
2719 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); |
2720 | break; | |
2721 | ||
2722 | case SERVICE_FINAL_SIGKILL: | |
fdf20a31 | 2723 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id); |
034c6ed7 LP |
2724 | service_enter_dead(s, false, true); |
2725 | break; | |
2726 | ||
2727 | case SERVICE_AUTO_RESTART: | |
54165a39 | 2728 | log_info("%s holdoff time over, scheduling restart.", u->meta.id); |
034c6ed7 LP |
2729 | service_enter_restart(s); |
2730 | break; | |
2731 | ||
2732 | default: | |
2733 | assert_not_reached("Timeout at wrong time."); | |
2734 | } | |
5cb5a6ff LP |
2735 | } |
2736 | ||
8e274523 LP |
2737 | static void service_cgroup_notify_event(Unit *u) { |
2738 | Service *s = SERVICE(u); | |
2739 | ||
2740 | assert(u); | |
2741 | ||
9e2f7c11 | 2742 | log_debug("%s: cgroup is empty", u->meta.id); |
8e274523 LP |
2743 | |
2744 | switch (s->state) { | |
2745 | ||
2746 | /* Waiting for SIGCHLD is usually more interesting, | |
2747 | * because it includes return codes/signals. Which is | |
2748 | * why we ignore the cgroup events for most cases, | |
2749 | * except when we don't know pid which to expect the | |
2750 | * SIGCHLD for. */ | |
2751 | ||
2752 | case SERVICE_RUNNING: | |
80876c20 | 2753 | service_enter_running(s, true); |
8e274523 LP |
2754 | break; |
2755 | ||
28708d8a LP |
2756 | case SERVICE_STOP_SIGTERM: |
2757 | case SERVICE_STOP_SIGKILL: | |
2758 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2759 | service_enter_stop_post(s, true); | |
2760 | ||
2761 | break; | |
2762 | ||
7f97f0fe LP |
2763 | case SERVICE_FINAL_SIGTERM: |
2764 | case SERVICE_FINAL_SIGKILL: | |
2765 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2766 | service_enter_dead(s, true, true); | |
2767 | ||
2768 | break; | |
2769 | ||
8e274523 LP |
2770 | default: |
2771 | ; | |
2772 | } | |
2773 | } | |
2774 | ||
c952c6ec | 2775 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
2776 | Service *s = SERVICE(u); |
2777 | const char *e; | |
2778 | ||
2779 | assert(u); | |
2780 | ||
c952c6ec LP |
2781 | if (s->notify_access == NOTIFY_NONE) { |
2782 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
2783 | u->meta.id, (unsigned long) pid); | |
2784 | return; | |
2785 | } | |
2786 | ||
2787 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
2788 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
2789 | u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid); | |
2790 | return; | |
2791 | } | |
2792 | ||
8c47c732 LP |
2793 | log_debug("%s: Got message", u->meta.id); |
2794 | ||
2795 | /* Interpret MAINPID= */ | |
2796 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
2797 | (s->state == SERVICE_START || | |
2798 | s->state == SERVICE_START_POST || | |
2799 | s->state == SERVICE_RUNNING || | |
2800 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 2801 | |
5925dd3c | 2802 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 2803 | log_warning("Failed to parse notification message %s", e); |
8c47c732 LP |
2804 | else { |
2805 | log_debug("%s: got %s", u->meta.id, e); | |
5925dd3c | 2806 | service_set_main_pid(s, pid); |
8c47c732 LP |
2807 | } |
2808 | } | |
2809 | ||
2810 | /* Interpret READY= */ | |
2811 | if (s->type == SERVICE_NOTIFY && | |
2812 | s->state == SERVICE_START && | |
2813 | strv_find(tags, "READY=1")) { | |
2814 | log_debug("%s: got READY=1", u->meta.id); | |
2815 | ||
2816 | service_enter_start_post(s); | |
2817 | } | |
2818 | ||
2819 | /* Interpret STATUS= */ | |
2820 | if ((e = strv_find_prefix(tags, "STATUS="))) { | |
2821 | char *t; | |
2822 | ||
3a2776bc LP |
2823 | if (e[7]) { |
2824 | if (!(t = strdup(e+7))) { | |
2825 | log_error("Failed to allocate string."); | |
2826 | return; | |
2827 | } | |
2828 | ||
2829 | log_debug("%s: got %s", u->meta.id, e); | |
8c47c732 | 2830 | |
3a2776bc LP |
2831 | free(s->status_text); |
2832 | s->status_text = t; | |
2833 | } else { | |
2834 | free(s->status_text); | |
2835 | s->status_text = NULL; | |
2836 | } | |
8c47c732 | 2837 | |
8c47c732 | 2838 | } |
c4e2ceae LP |
2839 | |
2840 | /* Notify clients about changed status or main pid */ | |
2841 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
2842 | } |
2843 | ||
07459bb6 | 2844 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 | 2845 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
2846 | char **p; |
2847 | unsigned i; | |
2848 | DIR *d = NULL; | |
2849 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
2850 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
2851 | Unit *service; | |
2852 | Iterator j; | |
2c4104f0 | 2853 | int r; |
980900c1 TG |
2854 | #ifdef TARGET_ARCH |
2855 | Unit *previous = NULL; | |
2856 | char *arch_daemons = NULL; | |
2857 | char *arch_daemons_stripped = NULL; | |
2858 | char **arch_daemons_split = NULL; | |
2859 | #endif | |
2c4104f0 LP |
2860 | |
2861 | assert(m); | |
2862 | ||
980900c1 TG |
2863 | #ifdef TARGET_ARCH |
2864 | if ((r = parse_env_file("/etc/rc.conf", NEWLINE, | |
2865 | "DAEMONS", &arch_daemons, | |
2866 | NULL)) < 0) { | |
2867 | ||
2868 | if (r != -ENOENT) | |
2869 | log_warning("Failed to read /etc/rc.conf: %s", strerror(-r)); | |
2870 | ||
2871 | } else if (arch_daemons) { | |
2872 | if (!(arch_daemons_stripped = strchr(arch_daemons, '('))) | |
2873 | arch_daemons_stripped = arch_daemons; | |
2874 | else | |
2875 | arch_daemons_stripped++; /* strip start paren */ | |
2876 | ||
2877 | arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */ | |
2878 | ||
2879 | if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) { | |
2880 | r = -ENOMEM; | |
2881 | goto finish; | |
2882 | } | |
2883 | ||
2884 | STRV_FOREACH(p, arch_daemons_split) { | |
2885 | ||
2886 | free(name); | |
409db002 | 2887 | name = NULL; |
980900c1 TG |
2888 | |
2889 | if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */ | |
2890 | continue; | |
2891 | ||
2892 | if (!(name = sysv_translate_name(*p))) { | |
2893 | r = -ENOMEM; | |
2894 | goto finish; | |
2895 | } | |
2896 | ||
2897 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { | |
2898 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); | |
2899 | continue; | |
2900 | } | |
2901 | ||
2902 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0) | |
2903 | goto finish; | |
2904 | ||
2905 | if (previous) | |
2906 | if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0) | |
2907 | goto finish; | |
2908 | ||
2909 | if (**p != '@') /* daemons prefixed with @ can be started in the background */ | |
2910 | previous = service; | |
2911 | } | |
2912 | } | |
2913 | #endif | |
2914 | ||
c68364b7 LP |
2915 | zero(runlevel_services); |
2916 | ||
84e3543e | 2917 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 2918 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
2919 | struct dirent *de; |
2920 | ||
2921 | free(path); | |
2922 | path = NULL; | |
09cd1ab1 | 2923 | if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) { |
2c4104f0 LP |
2924 | r = -ENOMEM; |
2925 | goto finish; | |
2926 | } | |
2927 | ||
2928 | if (d) | |
2929 | closedir(d); | |
2930 | ||
2931 | if (!(d = opendir(path))) { | |
2932 | if (errno != ENOENT) | |
2933 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
2934 | ||
2935 | continue; | |
2936 | } | |
2937 | ||
2938 | while ((de = readdir(d))) { | |
db06e3b6 | 2939 | int a, b; |
2c4104f0 LP |
2940 | |
2941 | if (ignore_file(de->d_name)) | |
2942 | continue; | |
2943 | ||
2944 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
2945 | continue; | |
2946 | ||
2947 | if (strlen(de->d_name) < 4) | |
2948 | continue; | |
2949 | ||
db06e3b6 LP |
2950 | a = undecchar(de->d_name[1]); |
2951 | b = undecchar(de->d_name[2]); | |
2952 | ||
2953 | if (a < 0 || b < 0) | |
2954 | continue; | |
2955 | ||
2c4104f0 LP |
2956 | free(fpath); |
2957 | fpath = NULL; | |
09cd1ab1 | 2958 | if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) { |
2c4104f0 LP |
2959 | r = -ENOMEM; |
2960 | goto finish; | |
2961 | } | |
2962 | ||
2963 | if (access(fpath, X_OK) < 0) { | |
2964 | ||
2965 | if (errno != ENOENT) | |
2966 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
2967 | ||
2968 | continue; | |
2969 | } | |
2970 | ||
2971 | free(name); | |
b7ccee3c | 2972 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
2973 | r = -ENOMEM; |
2974 | goto finish; | |
2975 | } | |
2976 | ||
398ef8ba | 2977 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
2978 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
2979 | continue; | |
2980 | } | |
2c4104f0 | 2981 | |
c68364b7 LP |
2982 | if (de->d_name[0] == 'S') { |
2983 | ||
f73d93a4 LP |
2984 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
2985 | SERVICE(service)->sysv_start_priority = | |
2986 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority); | |
db06e3b6 | 2987 | |
c68364b7 | 2988 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 2989 | } |
db06e3b6 | 2990 | |
c68364b7 LP |
2991 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
2992 | goto finish; | |
2c4104f0 | 2993 | |
c68364b7 | 2994 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 2995 | goto finish; |
23a177ef | 2996 | |
fc5df99e LP |
2997 | } else if (de->d_name[0] == 'K' && |
2998 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
2999 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3000 | |
c68364b7 LP |
3001 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3002 | goto finish; | |
3003 | ||
3004 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3005 | goto finish; |
3006 | } | |
3007 | } | |
3008 | } | |
3009 | ||
c68364b7 LP |
3010 | /* Now we loaded all stubs and are aware of the lowest |
3011 | start-up priority for all services, not let's actually load | |
3012 | the services, this will also tell us which services are | |
3013 | actually native now */ | |
3014 | manager_dispatch_load_queue(m); | |
3015 | ||
3016 | /* If this is a native service, rely on native ways to pull in | |
3017 | * a service, don't pull it in via sysv rcN.d links. */ | |
3018 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3019 | SET_FOREACH(service, runlevel_services[i], j) { | |
3020 | service = unit_follow_merge(service); | |
3021 | ||
3022 | if (service->meta.fragment_path) | |
3023 | continue; | |
3024 | ||
3025 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3026 | goto finish; | |
3027 | } | |
3028 | ||
3029 | /* We honour K links only for halt/reboot. For the normal | |
3030 | * runlevels we assume the stop jobs will be implicitly added | |
3031 | * by the core logic. Also, we don't really distuingish here | |
3032 | * between the runlevels 0 and 6 and just add them to the | |
3033 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3034 | * also used for shutdown, so we add links for that too to the | |
3035 | * shutdown target.*/ | |
3036 | SET_FOREACH(service, shutdown_services, j) { | |
3037 | service = unit_follow_merge(service); | |
3038 | ||
3039 | if (service->meta.fragment_path) | |
3040 | continue; | |
3041 | ||
ead8e478 | 3042 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3043 | goto finish; |
3044 | } | |
3045 | ||
2c4104f0 LP |
3046 | r = 0; |
3047 | ||
3048 | finish: | |
3049 | free(path); | |
3050 | free(fpath); | |
3051 | free(name); | |
980900c1 TG |
3052 | #ifdef TARGET_ARCH |
3053 | free(arch_daemons); | |
3054 | free(arch_daemons_split); | |
3055 | #endif | |
fbe9f3a9 | 3056 | |
c68364b7 LP |
3057 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3058 | set_free(runlevel_services[i]); | |
3059 | set_free(shutdown_services); | |
3060 | ||
fbe9f3a9 LP |
3061 | if (d) |
3062 | closedir(d); | |
2c4104f0 LP |
3063 | |
3064 | return r; | |
3065 | } | |
07459bb6 | 3066 | #endif |
2c4104f0 | 3067 | |
05e343b7 LP |
3068 | static void service_bus_name_owner_change( |
3069 | Unit *u, | |
3070 | const char *name, | |
3071 | const char *old_owner, | |
3072 | const char *new_owner) { | |
3073 | ||
3074 | Service *s = SERVICE(u); | |
3075 | ||
3076 | assert(s); | |
3077 | assert(name); | |
3078 | ||
3079 | assert(streq(s->bus_name, name)); | |
3080 | assert(old_owner || new_owner); | |
3081 | ||
3082 | if (old_owner && new_owner) | |
3083 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner); | |
3084 | else if (old_owner) | |
3085 | log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner); | |
3086 | else | |
3087 | log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner); | |
3088 | ||
3089 | s->bus_name_good = !!new_owner; | |
3090 | ||
3091 | if (s->type == SERVICE_DBUS) { | |
3092 | ||
3093 | /* service_enter_running() will figure out what to | |
3094 | * do */ | |
3095 | if (s->state == SERVICE_RUNNING) | |
3096 | service_enter_running(s, true); | |
3097 | else if (s->state == SERVICE_START && new_owner) | |
3098 | service_enter_start_post(s); | |
3099 | ||
3100 | } else if (new_owner && | |
3101 | s->main_pid <= 0 && | |
3102 | (s->state == SERVICE_START || | |
3103 | s->state == SERVICE_START_POST || | |
3104 | s->state == SERVICE_RUNNING || | |
3105 | s->state == SERVICE_RELOAD)) { | |
3106 | ||
3107 | /* Try to acquire PID from bus service */ | |
3108 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3109 | ||
3110 | bus_query_pid(u->meta.manager, name); | |
3111 | } | |
3112 | } | |
3113 | ||
3114 | static void service_bus_query_pid_done( | |
3115 | Unit *u, | |
3116 | const char *name, | |
3117 | pid_t pid) { | |
3118 | ||
3119 | Service *s = SERVICE(u); | |
3120 | ||
3121 | assert(s); | |
3122 | assert(name); | |
3123 | ||
3124 | log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid); | |
3125 | ||
3126 | if (s->main_pid <= 0 && | |
3127 | (s->state == SERVICE_START || | |
3128 | s->state == SERVICE_START_POST || | |
3129 | s->state == SERVICE_RUNNING || | |
3130 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3131 | service_set_main_pid(s, pid); |
05e343b7 LP |
3132 | } |
3133 | ||
6cf6bbc2 | 3134 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
4f2d528d LP |
3135 | assert(s); |
3136 | assert(fd >= 0); | |
3137 | ||
3138 | /* This is called by the socket code when instantiating a new | |
3139 | * service for a stream socket and the socket needs to be | |
3140 | * configured. */ | |
3141 | ||
4cd1fbcc | 3142 | if (s->meta.load_state != UNIT_LOADED) |
4f2d528d LP |
3143 | return -EINVAL; |
3144 | ||
3145 | if (s->socket_fd >= 0) | |
3146 | return -EBUSY; | |
3147 | ||
3148 | if (s->state != SERVICE_DEAD) | |
3149 | return -EAGAIN; | |
3150 | ||
3151 | s->socket_fd = fd; | |
701cc384 | 3152 | s->got_socket_fd = true; |
f976f3f6 | 3153 | s->accept_socket = sock; |
6cf6bbc2 | 3154 | |
4f2d528d LP |
3155 | return 0; |
3156 | } | |
3157 | ||
fdf20a31 | 3158 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3159 | Service *s = SERVICE(u); |
3160 | ||
3161 | assert(s); | |
3162 | ||
fdf20a31 | 3163 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3164 | service_set_state(s, SERVICE_DEAD); |
3165 | ||
3166 | s->failure = false; | |
3167 | } | |
3168 | ||
8a0867d6 LP |
3169 | static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { |
3170 | Service *s = SERVICE(u); | |
3171 | int r = 0; | |
3172 | Set *pid_set = NULL; | |
3173 | ||
3174 | assert(s); | |
3175 | ||
3176 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3177 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
3178 | return -EINVAL; | |
3179 | } | |
3180 | ||
3181 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3182 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
3183 | return -ENOENT; | |
3184 | } | |
3185 | ||
3186 | if (s->control_pid > 0) | |
3187 | if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 0) | |
3188 | r = -errno; | |
3189 | ||
3190 | if (s->main_pid > 0) | |
3191 | if (kill(mode == KILL_PROCESS_GROUP ? -s->main_pid : s->main_pid, signo) < 0) | |
3192 | r = -errno; | |
3193 | ||
3194 | if (mode == KILL_CONTROL_GROUP) { | |
3195 | int q; | |
3196 | ||
3197 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) | |
3198 | return -ENOMEM; | |
3199 | ||
3200 | /* Exclude the control/main pid from being killed via the cgroup */ | |
3201 | if (s->control_pid > 0) | |
3202 | if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { | |
3203 | r = q; | |
3204 | goto finish; | |
3205 | } | |
3206 | ||
3207 | if (s->main_pid > 0) | |
3208 | if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) { | |
3209 | r = q; | |
3210 | goto finish; | |
3211 | } | |
3212 | ||
3213 | if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0) | |
3214 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) | |
3215 | r = q; | |
3216 | } | |
3217 | ||
3218 | finish: | |
3219 | if (pid_set) | |
3220 | set_free(pid_set); | |
3221 | ||
3222 | return r; | |
3223 | } | |
3224 | ||
94f04347 LP |
3225 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3226 | [SERVICE_DEAD] = "dead", | |
3227 | [SERVICE_START_PRE] = "start-pre", | |
3228 | [SERVICE_START] = "start", | |
3229 | [SERVICE_START_POST] = "start-post", | |
3230 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3231 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3232 | [SERVICE_RELOAD] = "reload", |
3233 | [SERVICE_STOP] = "stop", | |
3234 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3235 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3236 | [SERVICE_STOP_POST] = "stop-post", | |
3237 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3238 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3239 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3240 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3241 | }; | |
3242 | ||
3243 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3244 | ||
3245 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3246 | [SERVICE_RESTART_NO] = "no", |
3247 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3248 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3249 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3250 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3251 | }; |
3252 | ||
3253 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3254 | ||
3255 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3256 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3257 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3258 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 LP |
3259 | [SERVICE_DBUS] = "dbus", |
3260 | [SERVICE_NOTIFY] = "notify" | |
94f04347 LP |
3261 | }; |
3262 | ||
3263 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3264 | ||
e537352b | 3265 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3266 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3267 | [SERVICE_EXEC_START] = "ExecStart", | |
3268 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3269 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3270 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3271 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3272 | }; | |
3273 | ||
3274 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3275 | ||
c952c6ec LP |
3276 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3277 | [NOTIFY_NONE] = "none", | |
3278 | [NOTIFY_MAIN] = "main", | |
3279 | [NOTIFY_ALL] = "all" | |
3280 | }; | |
3281 | ||
3282 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3283 | ||
87f0e418 | 3284 | const UnitVTable service_vtable = { |
5cb5a6ff | 3285 | .suffix = ".service", |
9e58ff9c | 3286 | .show_status = true, |
5cb5a6ff | 3287 | |
034c6ed7 LP |
3288 | .init = service_init, |
3289 | .done = service_done, | |
a16e1123 LP |
3290 | .load = service_load, |
3291 | ||
3292 | .coldplug = service_coldplug, | |
034c6ed7 | 3293 | |
5cb5a6ff LP |
3294 | .dump = service_dump, |
3295 | ||
3296 | .start = service_start, | |
3297 | .stop = service_stop, | |
3298 | .reload = service_reload, | |
3299 | ||
034c6ed7 LP |
3300 | .can_reload = service_can_reload, |
3301 | ||
8a0867d6 LP |
3302 | .kill = service_kill, |
3303 | ||
a16e1123 LP |
3304 | .serialize = service_serialize, |
3305 | .deserialize_item = service_deserialize_item, | |
3306 | ||
5cb5a6ff | 3307 | .active_state = service_active_state, |
10a94420 | 3308 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3309 | |
07459bb6 | 3310 | #ifdef HAVE_SYSV_COMPAT |
701cc384 | 3311 | .check_gc = service_check_gc, |
07459bb6 | 3312 | #endif |
701cc384 LP |
3313 | .check_snapshot = service_check_snapshot, |
3314 | ||
034c6ed7 LP |
3315 | .sigchld_event = service_sigchld_event, |
3316 | .timer_event = service_timer_event, | |
2c4104f0 | 3317 | |
fdf20a31 | 3318 | .reset_failed = service_reset_failed, |
5632e374 | 3319 | |
8e274523 | 3320 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3321 | .notify_message = service_notify_message, |
8e274523 | 3322 | |
05e343b7 LP |
3323 | .bus_name_owner_change = service_bus_name_owner_change, |
3324 | .bus_query_pid_done = service_bus_query_pid_done, | |
3325 | ||
c4e2ceae | 3326 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3327 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3328 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3329 | |
07459bb6 | 3330 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 | 3331 | .enumerate = service_enumerate |
07459bb6 | 3332 | #endif |
5cb5a6ff | 3333 | }; |